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{{Status|Canon}}
{{Era|HCW}}
{{References}}
{{References}}
{{Infobox/Timeline/CE
{{Timeline}}
|image=File:H3 CitadelBattle.jpg|300px
|caption=The Covenant's final stand during the [[Battle of the Citadel|last battle]] of the war.
|other=
}}
'''2552''' was a year in the 2550s in the 26th century. It was the ultimate year of the [[Human-Covenant War]], during which the [[human]]s of the [[United Nations Space Command]] nearly saw utter defeat and extinction, though the tide turned, and with significant help from the [[Sangheili]], they managed to win the war. The [[Covenant]] were at the peak of their power and reach in 2552, with [[Siege of the Inner Colonies|major assaults on the human]] [[Inner Colonies]] and an invasion followed by a [[Battle of Earth|prolonged engagement]] on their home [[planet]], [[Earth]].<ref>'''[[Halo 2]]''', campaign level ''[[Cairo Station]]''</ref><ref>'''[[Halo: Ghosts of Onyx]]'''</ref><ref>'''[[Halo 3]]''', campaign level ''[[The Storm]]''</ref> During the [[Battle of Installation 04|battle]] at [[Installation 04]], the galaxy found its first large outbreak of the [[Flood]] threat in over a hundred thousand years.<ref>'''[[Halo: Combat Evolved]]''', campaign level ''[[343 Guilty Spark (level)|343 Guilty Spark]]''</ref><ref>'''Halo: Combat Evolved''', campaign level ''[[The Library]]''</ref> Over one month later, an even larger outbreak occurred at [[Installation 05]].<ref>'''Halo 2''', campaign level ''[[Sacred Icon]]''</ref>


The war finally drew to a close at [[Installation 00]], known more commonly as the Ark, with the humans and Sangheili attempting to kill the High [[Prophet of Truth]], before he could activate the remaining Halo installations.<ref>'''Halo 3''', campaign level ''[[The Ark (level)|The Ark]]''</ref><ref>'''Halo 3''', level ''[[The Covenant (level)|The Covenant]]''</ref> The alliance was successful in their mission against the Covenant and ended the 27 year long war.
'''2552''' was the ultimate year of the [[Human-Covenant War]], during which the [[human]]s of the [[United Nations Space Command]] nearly saw utter defeat and extinction, though the tide turned, and with the help of the [[Sangheili]], they managed to win the war. The [[Covenant]] were at the peak of their power and reach in 2552, with major assaults on the human [[Inner Colonies]] and an invasion followed by a [[Battle of Earth|prolonged engagement]] on their home planet, [[Earth]].<ref>'''[[Halo 2]]''', campaign level ''[[Cairo Station (level)|Cairo Station]]''</ref><ref>'''[[Halo: Ghosts of Onyx]]'''</ref><ref>'''[[Halo 3]]''', campaign level ''[[The Storm]]''</ref> During the [[Battle of Installation 04|battle]] at [[Installation 04]], the galaxy found its first large outbreak of the [[Flood]] threat in over a hundred thousand years.<ref>'''[[Halo: Combat Evolved]]''', campaign level ''[[343 Guilty Spark (level)|343 Guilty Spark]]''</ref><ref>'''Halo: Combat Evolved''', campaign level ''[[The Library]]''</ref> Over two months later, an even larger outbreak occurred at [[Installation 05]].<ref>'''Halo 2''', campaign level ''[[Sacred Icon]]''</ref>
 
The war finally drew to a close at [[Installation 00]], known more commonly as the Ark, with the humans and Sangheili attempting to assassinate the [[Prophet of Truth]], before he could activate the remaining Halo installations.<ref>'''Halo 3''', campaign level ''[[The Ark (level)|The Ark]]''</ref><ref>'''Halo 3''', level ''[[The Covenant (level)|The Covenant]]''</ref> The alliance was successful in their mission against the Covenant.


==Events==
==Events==
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===February===
===February===
'''February'''
*[[Insurrectionist]]s on [[Harmony]] disable the planet's primary [[communications relay]] and steal two drydocked [[freighter]]s.<ref name="NobleActual">'''[[Halo: Reach]]''', campaign level ''[[Noble Actual]]''</ref>
*[[Insurrectionist]]s on [[Harmony]] disable the planet's primary [[communications relay]] and steal two drydocked [[freighter]]s.<ref name="NobleActual">'''[[Halo: Reach]]''', campaign level ''[[Noble Actual]]''</ref>
===March===
'''March 9'''
*An entry is recorded in a UNSC Archive regarding a UNSC Excavation site headed by [[BXR Mining Corporation]] being bombarded by the Covenant. The miners managing to get the ore being mined to the surface before the mine totally collapsed.{{Ref/Generic|Id=Lightbringers|Heading=[[Become]]|Subheading=[[UNSC Archives]]|Detail=[[Lightbringers]]}}


===April===
===April===
'''April 22'''
'''April 22'''
*[[Battle of Fumirole]]: [[Noble Team]] member [[Thom-A293]] destroys a {{Pattern|Ket|battlecruiser}} but kills himself in the process, and [[Catherine-B320]] loses her arm. She subsequently receives a [[artificial limb|robotic prosthetic]].
*[[Battle of Fumirole]]: [[Noble Team]] member [[Thom-A293]] destroys a [[CCS-class battlecruiser]] but kills himself in the process, and [[Kat-B320]] loses her arm. She subsequently receives a [[artificial limb|robotic prosthetic]].
'''Unknown Date'''
'''Unknown Date'''
*The {{UNSCShip|Iroquois}} finishes construction.<ref name="Reach139">'''Halo: The Fall of Reach''', ''page 139''</ref>
*The {{UNSCShip|Iroquois}} finishes construction.<ref name="Reach139">'''Halo: The Fall of Reach''', ''page 139''</ref>
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===May===
===May===
'''May 10'''
'''May 10'''
*[[SPARTAN-B312]] takes part in a [[Mamore insurrections#2552|counter-insurgency operation]] on [[Mamore]]. The Spartan's skills as a [[FSS-1000 Sabre|Sabre]] pilot are exhibited during the op, prompting [[Colonel]] [[Urban Holland]] to have him transferred to Noble Team.
*[[SPARTAN-B312]] takes part in a [[Mamore_insurrections#2552|counter-insurgency operation]] on [[Mamore]]. The Spartan's skills as a [[Sabre]] pilot are exhibited during the op, prompting [[Colonel]] [[Urban Holland]] to have him transferred to Noble Team.
'''May 14 through May 19'''
*UNSC forces in the [[Earth Defense Coordination Zone]] are placed at maximum readiness levels and all warships with [[MAC|magnetic accelerator cannon]]s are self-deployed or towed to rally points. ''[[Cairo Station (station)|Cairo Station]]'' is established as flag headquarters.{{Ref/Reuse|lootcrate2}}
'''May 15'''
*[[Kalmiya]] informs Dr. Halsey about several documents she watched in Vice Admiral [[Michael Stanforth]]'s Beta-5 server which ranges from service order transfers of existing Spartan-IIs to highly classified non-Spartan-II detachments.{{Ref/Book|Id=DHD051552|Dr. Halsey's personal journal|Section=May 15, 2552}}
'''May 24'''
*[[Smart AI]] [[Gabriela]] is activated.{{Ref/Book|Id=Enc22P108|Enc22|Page=108}}


===July===
===July===
'''Unknown date'''
'''Unknown date'''
*The [[Battle of New Jerusalem]] takes place sometime this month or the [[2552#August|next]].<ref name="Halo page 153">'''[[Halo: Evolutions - Essential Tales of the Halo Universe]]''', "[[Dirt]]", ''page 153''</ref> The [[26th Marine Expeditionary Force]] is nearly wiped out, leaving [[Private First Class]] [[Jonathan Doherty]] as one of the few survivors.<ref name="bungie.net">[http://halo.bungie.net/projects/odst/guide.aspx '''Bungie.net''': ''Halo 3: ODST Field Guide'']</ref>   
*The [[Battle of New Jerusalem]] takes place sometime this month or the [[2552#August|next]].<ref>'''[[Halo: Evolutions - Essential Tales of the Halo Universe]]''', "[[Dirt]]", ''page 153''</ref> The [[26th Marine Expeditionary Force]] is nearly wiped out, leaving [[the Rookie]] as one of the few survivors.<ref>[http://www.bungie.net/projects/odst/guide.aspx '''Bungie.net''': ''Halo 3: ODST Field Guide'']</ref>   


'''After July 5'''
'''After July 5'''
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'''July 18'''
'''July 18'''
*The UNSC win a victory during the battle at Sigma Octanus IV. [[Commander]] [[Jacob Keyes]], of the {{UNSCShip|Iroquois}}, plays a critical role in this success when he devises the [[Keyes Loop]] maneuver. Keyes is subsequently promoted to [[Captain (Navy)|Captain]] by [[Vice Admiral]] [[Michael Stanforth]]. Unknown to the UNSC, the Covenant place a [[spy probe|tracker]] on the hull of the ''Iroquois''. The importance of [[Reach]] to the UNSC is revealed to the Covenant when the ''Iroquois'' returns to that world.  
*The UNSC win a victory during the battle at Sigma Octanus IV. [[Commander]] [[Jacob Keyes]], of the {{UNSCShip|Iroquois}}, plays a critical role in this success when he devises the [[Keyes Loop]] maneuver. Keyes is subsequently promoted to [[Captain (Navy)|Captain]] by [[Vice Admiral]] [[Michael Stanforth]]. Unknown to the UNSC, the Covenant place a [[spy probe|tracker]] on the hull of the ''Iroquois''. The importance of [[Reach]] to the UNSC is revealed to the Covenant when the ''Iroquois'' returns to that world.  
*Vice Admiral Stanforth messages the director of the Office of Naval Intelligence, [[Margaret Parangosky|Admiral Margaret Parangosky]], with information on the battle at Sigma Octanus IV, as well as the ongoing progress of [[Operation: BRAVADO]].<ref>[https://www.halowaypoint.com/en-us/universe/oni-files/reach-data-drops ''Data Drop Two (Reach Data Drops)'']</ref>
*Vice Admiral Stanforth messages the director of the Office of Naval Intelligence, [[Margaret Parangosky|Admiral Margaret Parangosky]], with information on the battle at Sigma Octanus IV, as well as the ongoing progress of [[Operation: BRAVADO]].<ref>[http://halo.xbox.com/en-us/news/headline/office-of-naval-intelligencesection-3-data-drop-two/240733 '''Halo.xbox.com:''' ''Data Drop Two'']</ref>


'''July 23'''
'''July 23'''
*The Covenant deploy the [[Fleet of Valiant Prudence]] to sever Reach's out-system communications and search for Forerunner artifacts. This is the first stage of the Covenant's [[Fall of Reach|invasion of the planet]].
*The Covenant deploy the [[Fleet of Valiant Prudence]] to sever Reach's out-system communications and search for Forerunner artifacts. This is the first stage of the Covenant's [[Fall of Reach|invasion of the planet]].
*Noble Team finds and stops a pair of Insurrectionist SCI combatants attempting to hijack a supply transport.{{Ref/Reuse|NobleActual}}
*Noble Team finds and stops a pair of Insurrectionist SCI combatants attempting to hijack a supply transport.<ref name="NobleActual"/>
*Fireteam [[3 Charlie]], along with other special warfare fireteams under command of Colonel Holland, are sent to investigate the areas around [[Longhorn Valley]] and [[Visegrád]] after contact with the [[Visegrád Relay|comms relay]] in Visegrád is lost.
*Fireteam [[3 Charlie]], along with other special warfare fireteams under command of Colonel Holland, are sent to investigate the areas around [[Longhorn Valley]] and [[Visegrád]] after contact with the [[Visegrád Relay|comms relay]] in Visegrád is lost.


'''July 24'''
'''July 24'''
*Two months after the death of Thom-A293, SPARTAN-B312 joins Noble Team as Noble Six.
*Two months after the death of Thom-A293, SPARTAN-B312 joins Noble Team as Noble Six.
*Noble Team is sent by Colonel Holland on a mission to investigate the downed Visegrád Relay.{{Ref/Reuse|NobleActual}}
*Noble Team is sent by Colonel Holland on a mission to investigate the downed [[Visegrad Relay]].<ref name="NobleActual"/>
*Noble Team discovers the Covenant's presence on Reach for the first time at Visegrád Relay. Planetary directive [[WINTER CONTINGENCY (protocol)|WINTER CONTINGENCY]] is declared.
*Noble Team discovers the Covenant's presence on Reach for the first time at Visegrád Relay. Planetary directive [[WINTER CONTINGENCY]] is declared.


'''July 26'''
'''July 26'''
*[[SWORD Base]], an ONI research facility on Reach, comes under attack by an {{Pattern|Ceudar|heavy corvette}}. The [[UNSC Army]] with the help of Noble Team successfully repel the attack and the corvette is destroyed by orbital support.
*[[Sword Base]], a ONI research facility on Reach, comes under attack by an {{Class|SDV|heavy corvette}}. The [[UNSC Army]] with the help of Noble Team successfully repel the attack and the corvette is destroyed by orbital support.


===August===
===August===
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*[[Margaret-053]] is captured by [[Forerunner]] [[Gatherer]]s. Team Black and the Covenant forces on the moon enter into a reluctant alliance to rescue the Spartan.
*[[Margaret-053]] is captured by [[Forerunner]] [[Gatherer]]s. Team Black and the Covenant forces on the moon enter into a reluctant alliance to rescue the Spartan.
*Fireteam Black encounters the Forerunner monitor [[686 Ebullient Prism]] en route to rescuing Margaret-053. The monitor briefly causes rifts between the team to prevent them from rescuing their comrade. Margaret, however, escapes anyway, aided by [[Reff 'Talamee]], and the rest of Team Black stop fighting amongst themselves.
*Fireteam Black encounters the Forerunner monitor [[686 Ebullient Prism]] en route to rescuing Margaret-053. The monitor briefly causes rifts between the team to prevent them from rescuing their comrade. Margaret, however, escapes anyway, aided by [[Reff 'Talamee]], and the rest of Team Black stop fighting amongst themselves.
*Team Black manages to enter the control room of Line Installation 1–4, eventually destroying 686 Ebullient Prism with the installation's main gun; they also succeed in destroying the entire Covenant fleet.
*Team Black manages to enter the control room of Line Installation 1-4, eventually destroying 686 Ebullient Prism with the installation's main gun; they also succeed in destroying the entire Covenant fleet.
*[[Beta Gabriel]] is captured by a pack of [[Jiralhanae]] under the command of [[Chieftain]] [[Parabum]]. A majority of the sparse human population is either taken prisoner or killed, including ONI agent [[Connor Brien]], who had been sent on a mission to study the Brutes. A recon force of [[ODST]]s are sent in to neutralize the Brutes, and are successful in doing so.
*[[Beta Gabriel]] is captured by a pack of [[Jiralhanae]] under the command of [[Chieftain]] [[Parabum]]. A majority of the sparse human population is either taken prisoner or killed, including ONI agent [[Connor Brien]], who had been sent on a mission to study the Brutes. A recon force of [[ODST]]s are sent in to neutralize the Brutes, and are successful in doing so.
*The [[Battle of New Jerusalem]] takes place sometime this month or the [[2552#July|previous]].{{Ref/Reuse|Halo page 153}} The [[26th Marine Expeditionary Force]] is nearly wiped out, leaving [[the Rookie]] as one of the few survivors.{{Ref/Reuse|bungie.net}}  
*The [[Battle of New Jerusalem]] takes place sometime this month or the [[2552#July|previous]].<ref>'''[[Halo: Evolutions - Essential Tales of the Halo Universe]]''', "[[Dirt]]", ''page 153''</ref> The [[26th Marine Expeditionary Force]] is nearly wiped out, leaving [[the Rookie]] as one of the few survivors.<ref>[http://www.bungie.net/projects/odst/guide.aspx '''Bungie.net''': ''Halo 3: ODST Field Guide'']</ref>  
* The [[Raid on Mount Haven]] takes place.<ref>[https://www.halowaypoint.com/en-us/universe/characters/rookie '''Halo Waypoint''', ''Rookie'']</ref> The {{UNSCShip|Chares}} deploys ODSTs in a snatch-and-grab mission to secure the transport of a Forerunner artifact, but after a chain of events involving a group of rogue ODSTs attempting to steal [[gold]] from a bank vault, [[Gage Yevgenny|a wounded ODST]] manages to halt their operations with a [[Shiva]] nuclear warhead.<ref>'''Halo: Evolutions - Essential Tales of the Halo Universe''' - ''[[Dirt]]''</ref>  Eventually, the surviving civilians and UNSC forces fall back to Earth, having been informed Reach was just attacked.{{Ref/Reuse|Halo page 153}}
* The [[Raid on Mount Haven]] takes place.<ref>[https://www.halowaypoint.com/en-us/universe/characters/rookie '''Halo Waypoint''', ''Rookie'']</ref> The {{UNSCShip|Chares}} deploys ODSTs in a snatch-and-grab mission to secure the transport of a Forerunner artifact, but after a chain of events involving a group of rogue ODSTs attempting to steal [[gold]] from a bank vault, [[Gage Yevgenny|a wounded ODST]] manages to halt their operations with a [[Shiva]] nuclear warhead.<ref>'''Halo: Evolutions - Essential Tales of the Halo Universe''' - ''[[Dirt]]''</ref>  Eventually, the surviving civilians and UNSC forces fall back to Earth, having been informed Reach was just attacked.<ref>'''[[Halo: Evolutions - Essential Tales of the Halo Universe]]''', "[[Dirt]]", ''page 153''</ref>
 
'''August 1'''
*'''0250 Hours:''' Vice Admiral Michael Stanforth and half of [[Battle Group Leviathan]] return to Epsilon Eridani system. In a message send to Parangosky, Stanforth expresses his concerns about sacrificing Reach for the sake of Operation: RED FLAG.{{Ref/Generic|Id=DD4|[[Data Drop]]|Subheading=[[Data Drop/DDR4|DDR4]]|Detail=[[:File:DDR-A340021-0250-08-01-52.pdf|DDR-A340021-0250-08-01-52.pdf]]}}


'''August 3'''
'''August 3'''
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'''August 5'''
'''August 5'''
*Cortana's split is a success.{{Ref/Reuse|journal}}
*Cortana's split is a success.<ref name="journal"/>


'''Early August (sometime from the 6th to the 12th)'''
'''Early August (sometime from the 6th to the 12th)'''
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'''August 12'''
'''August 12'''
*Battle Group Leviathan and the ''Iroquois'' arrives at Reach for emergency refit and repairs.{{Ref/Reuse|journal}} While the battle group was being repaired, Stanforth and Keyes arrived at [[Camp Hathcock]] in the [[Highland Mountains]] on Reach for debriefing. Shortly after, they returned to their respective vessels within the battle group.<ref>'''Halo: The Fall of Reach''', ''page 252'' (2010)</ref>
*Battle Group Leviathan and the ''Iroquois'' arrives at Reach for emergency refit and repairs.<ref name="journal"/>
*Around this time, Stanforth engages a small group from the [[Fleet of Valiant Prudence]] dispatched to retrieve a [[Site 17 artifact|Forerunner artifact]] from ONI's [[Teller Station]] in the Epsilon Eridani [[Oort cloud]]; though he sends reinforcements to successfully cover the station's evacuation, he loses irreplaceable personnel and ships in the process.<ref name="fb4">'''Halo: Fleet Battles''', ''Scenario Four: Run!''</ref><ref name="fb5">'''Halo: Fleet Battles''', ''Scenario Five: Into The Fire''</ref>
*Halsey reviews the upgrades to the new MJOLNIR Mark V.<ref name="journal"/>
*Halsey reviews the upgrades to the new MJOLNIR Mark V.{{Ref/Reuse|journal}}
*[[John-117]] and [[Harland|Corporal Harland]] are debriefed by [[ONI]] at [[Camp Hathcock]], Reach, on the events on [[Côte d'Azur]] during the Battle of Sigma Octanus IV.
*[[John-117]] and [[Harland|Corporal Harland]] are debriefed by [[ONI]] at [[Camp Hathcock]], Reach, on the events on [[Côte d'Azur]] during the Battle of Sigma Octanus IV.
*[[Battle at Szurdok Ridge]]: UNSC forces assault an amassing Covenant invasion force in the [[Viery Territory]] on Reach, managing to destroy two [[Cheru-pattern Tyrant|AA plasma cannons]] and a [[Spire One|Covenant spire]]. However, the cloaked [[Sh'wada-pattern supercarrier|supercarrier]] ''[[Long Night of Solace]]'' reveals itself and destroys the frigate {{UNSCShip|Grafton}}, which had been providing air support.<ref>'''Halo: Reach''', campaign level ''[[Tip of the Spear]]''</ref>
*[[Battle at Szurdok Ridge]]: UNSC forces assault an amassing Covenant invasion force in the [[Viery Territory]] on Reach, managing to destroy two [[Type-38 Anti-Aircraft Cannon|AA plasma cannons]] and a [[Spire One|Covenant spire]]. However, the cloaked [[Covenant supercarrier]] ''[[Long Night of Solace]]'' reveals itself and destroys the frigate {{UNSCShip|Grafton}}, which had been providing air support.<ref>'''Halo: Reach''', campaign level ''[[Tip of the Spear]]''</ref>


'''August 13'''
'''August 13'''
*60% of the [[Epsilon Eridani Fleet]] is recalled to Reach, destined to arrive within the next 48 hours.<ref name="lnos">'''Halo: Reach''', campaign level ''[[Long Night of Solace (level)|Long Night of Solace]]''</ref>
*60% of the remainder of the UNSC fleet is recalled to Reach, destined to arrive within the next 48 hours.<ref name="lnos">'''Halo: Reach''', campaign level ''[[Long Night of Solace (level)|Long Night of Solace]]''</ref>


'''August 14'''
'''August 14'''
*[[Operation: UPPER CUT]] and [[Operation: LEFT JAB]] are initiated, as Noble Team retakes the [[Sabre Program Launch/Research Range]] at [[Farkas Lake]] and joins the battle in orbit, eventually capturing the Covenant corvette ''[[Ardent Prayer]]'' and using it to deliver the {{UNSCShip|Savannah}}'s [[Shaw-Fujikawa Translight Engine]], used as a makeshift bomb, to the ''Long Night of Solace'' . The ''Solace ''is destroyed at the cost of [[Jorge-052]], who sacrifices himself to detonate the drive manually. Moments after the carrier's destruction, a large Covenant fleet sent by the [[Ministry of Resolution]] enters in-system.{{Ref/Reuse|lnos}}
*[[Operation: UPPER CUT]] is initiated, as Noble Team retakes the [[Sabre Program Launch/Research Range]] at [[Farkas Lake]] and joins the battle in orbit, eventually capturing the Covenant corvette ''[[Ardent Prayer]]'' and using it to deliver the {{UNSCShip|Savannah}}'s [[Shaw-Fujikawa Translight Engine]], used as a makeshift bomb, to the ''Long Night of Solace'' . The ''Solace ''is destroyed at the cost of [[Jorge-052]], who sacrifices himself to detonate the drive manually. Moments after the carrier's destruction, a large Covenant fleet enters in-system.<ref name="lnos"/>
*Following the destruction of the ''Solace'', [[Kantar 'Utaralee]], now acting [[fleetmaster]] of the [[Fleet of Valiant Prudence]], leads what little ships he has left in a last-ditch effort to recover Teller Station's [[Site 17 artifact|artifact]], now residing in a UNSC [[space station]] orbiting the [[moon]] of [[Turul]].<ref name="fb">'''[[Halo: Fleet Battles]]''', ''Scenario Eight: Rally Point Zulu''</ref>  


'''August 17'''
'''August 17'''
*[[Smart AI]] [[Black-Box]] is created from [[Graham Alban|a human brain]] donor to be the personal AI companion for Admiral Margaret Parangosky and activated on [[Mars]].<ref>[https://www.halowaypoint.com/en-us/universe/characters/blackbox '''Halo Waypoint''': ''Black-Box'']</ref>{{Ref/Book|Id=Enc22P109|Enc22|Page=109}}
*[[Smart AI]] [[Black-Box]] is created from [[Graham Alban|a human brain]] donor to be the personal AI companion for Admiral Margaret Parangosky and activated on [[Mars]].<ref>[https://www.halowaypoint.com/en-us/universe/characters/blackbox '''Halo Waypoint''': ''Black-Box'']</ref>


'''August 18'''
'''August 18'''
*The [[Siege of New Alexandria]] begins as the Covenant lay siege to the [[city]] of [[New Alexandria (location)|New Alexandria]].
*The [[Siege of New Alexandria]] begins as the Covenant lay siege to the city of [[New Alexandria]].


'''August 23'''
'''August 23'''
*Noble Six arrives in New Alexandria and helps evacuate civilians from the city. He also manages to severely damage one of the corvettes laying siege to the city by use of an AA missile battery. Noble Six eventually meets up with the rest of Noble Team, and the Covenant begin glassing the city. As Noble Team is on their way to a fallout shelter under the [[Olympic Tower]], Kat-B320 is killed by sniper fire.<ref name="new alexandria">'''Halo: Reach''', campaign level ''[[New Alexandria]]''</ref>
*Noble Six arrives in New Alexandria and helps evacuate civilians from the city. He also manages to severely damage one of the corvettes laying siege to the city by use of an AA missile battery. Noble Six eventually meets up with the rest of Noble Team, and the Covenant begin glassing the city. As Noble Team is on their way to a fallout shelter under the [[Olympic Tower]], Kat-B320 is killed by sniper fire.<ref name="new alexandria">'''Halo: Reach''', campaign level ''[[New Alexandria (level)|New Alexandria]]''</ref>


'''August 24'''
'''August 24'''
*Dr. Halsey examines the rock recovered by Blue Team during Operation: OCEAN BREAKER on Sigma Octanus IV.{{Ref/Reuse|journal}}
*Dr. Halsey examines the rock recovered by Blue Team during Operation: OCEAN BREAKER on Sigma Octanus IV.<ref name="journal"/>


'''August 25'''
'''August 25'''
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'''August 26'''
'''August 26'''
*The remainder of Noble Team is evacuated from the destroyed New Alexandria via a Pelican.{{Ref/Reuse|new alexandria}}
*The remainder of Noble Team is evacuated from the destroyed New Alexandria via a Pelican.<ref name="new alexandria"/>


'''August 27'''
'''August 27'''
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'''August 30'''
'''August 30'''
[[File:Fall of Reach 1.jpg|300px|thumb|[[Fall of Reach|Reach falls]] to the Covenant.]]
*Cortana has ONI [[Colonel]] [[James Ackerson]] illicitly transferred to the front. This is her revenge for his attempts to eliminate both her and John-117.
*Cortana has ONI [[Colonel]] [[James Ackerson]] illicitly transferred to the front. This is her revenge for his attempts to eliminate both her and John-117.
*[[First Lieutenant]] [[Jake Chapman]], along with most of [[Charlie Company]] is killed during the Fall of Reach.
*[[First Lieutenant]] [[Jake Chapman]], along with most of [[Charlie Company]] is killed during the Fall of Reach.
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*The surviving [[SPARTAN-IIs]] on Reach are separated into two groups. One recovers [[Danforth Whitcomb|Vice Admiral Whitcomb]] and goes into hiding at [[Camp Independence]]. The others are admitted into [[CASTLE Base]] by Dr. Halsey and receive parts of the [[MJOLNIR]] Mark V upgrade and new weapons.
*The surviving [[SPARTAN-IIs]] on Reach are separated into two groups. One recovers [[Danforth Whitcomb|Vice Admiral Whitcomb]] and goes into hiding at [[Camp Independence]]. The others are admitted into [[CASTLE Base]] by Dr. Halsey and receive parts of the [[MJOLNIR]] Mark V upgrade and new weapons.
*Dr. Halsey learns of [[Colonel Ackerson]]'s [[SPARTAN-III Program|mysterious plans]] that seem to involve "her" [[Spartans]].
*Dr. Halsey learns of [[Colonel Ackerson]]'s [[SPARTAN-III Program|mysterious plans]] that seem to involve "her" [[Spartans]].
*The three surviving members of [[Noble Team]] arrive at Asźod; [[Carter-A259]]'s Pelican becomes too badly damaged to continue carrying them all, so Noble Six and [[Emile-A239]] deploy to the ground.  
*The three surviving members of [[Noble Team]] arrive at Aszod; [[Carter-A259]]'s Pelican becomes too badly damaged to continue carrying them all, so Noble Six and [[Emile-A239]] deploy to the ground.  
*[[Battle of Asźod]]: The Covenant forces throughout [[Asźod]] attempt to stop Noble Six and Emile from reaching the ''[[UNSC Pillar of Autumn|Pillar of Autumn]]'', going so far as to deploy [[Deutoros-pattern Scarab|Scarabs]] against them. Carter sacrifices himself when he steers his damaged Pelican into a Scarab, destroying it. Emile and Six proceed to push towards the [[Asźod ship breaking yards|ship breaking yards]] and rendezvous with the scant UNSC forces still attempting to defend the facility. After clearing most of the facility, Six, Emile, and several Trooper squads meet up with Captain Jacob Keyes, successfully delivering the fragment of Cortana. However, Emile is killed by a [[Sangheili Zealot]].  
*[[Battle of Aszod]]: The Covenant forces throughout [[Aszod]] attempt to stop Noble Six and Emile from reaching the ''[[UNSC Pillar of Autumn|Pillar of Autumn]]'', going so far as to deploy [[Type-47 Scarab|Scarabs]] against them. Carter sacrifices himself when he steers his damaged Pelican into a Scarab, destroying it. Emile and Six proceed to push towards the [[Aszod ship breaking yards|ship breaking yards]] and rendezvous with the scant UNSC forces still attempting to defend the facility. After clearing most of the facility, Six, Emile, and several Trooper squads meet up with Captain Jacob Keyes, successfully delivering the fragment of Cortana. However, Emile is killed by a [[Sangheili Zealot]].  
*SPARTAN-B312 destroys a ''Ket''-pattern battlecruiser with a [[15cm Mark/2488 1.1GJ MAC|mass driver]] to allow the ''Pillar of Autumn'' to escape Reach. The Spartan is killed by Sangheili soon after. The ''Autumn'' jumps away from the system, with Cortana using Forerunner navigation data from the [[Sigma Octanus IV artifact]] as well as the Babd Catha Forerunner complex.
*SPARTAN-B312 destroys a CCS-class battlecruiser with a [[15cm Mark/2488 1.1GJ MAC|mass driver]] to allow the ''Pillar of Autumn'' to escape Reach. The Spartan is killed by Sangheili soon after. The ''Autumn'' jumps away from the system, with Cortana using Forerunner navigation data from the [[Sigma Octanus IV artifact]] as well as the Babd Catha Forerunner complex.


===September===
===September===
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'''September 5'''
'''September 5'''
*[[UNSC]] fleet actions in the [[Reach Defense Coordination Zone]] conclude.{{Ref/Reuse|lootcrate2}}
*[[UNSC]] fleet actions in the [[Reach Defense Coordination Zone]] conclude.<ref name="loot2"/>
*All remaining [[UNSC Navy|naval]] forces are consolidated into a single command grouping: the [[UNSC Home Fleet]].
*Fleet Admiral [[Joseph Harper]] of the [[Fifth Fleet]] is appointed senior flag officer of the Home Fleet and given primary administrative and tasking authority over all assets in the [[Sol system]] under emergency directives authorized by [[UNSC High Command]] and approved by the [[UEG Security Council]].{{Ref/Reuse|lootcrate2}}


'''September 14'''
'''September 14'''
*A new set of [[orbital defense platform]]s over Earth are scheduled to come online.<ref>'''Halo: First Strike''', ''page 104''</ref>
*A new set of [[Orbital Defense Platform]]s over Earth are scheduled to come online.<ref>'''Halo: First Strike''', ''page 104''</ref>


'''September 18'''
'''September 18'''
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*'''0103 hours ship time''': The ''Pillar of Autumn'' cryo team prepare to wake John-117 under orders from Captain Keyes. Meanwhile, the Covenant [[Fleet of Particular Justice]] prepare to attack the ''Pillar of Autumn''.<ref>'''Halo: The Flood''', ''Prologue''</ref>
*'''0103 hours ship time''': The ''Pillar of Autumn'' cryo team prepare to wake John-117 under orders from Captain Keyes. Meanwhile, the Covenant [[Fleet of Particular Justice]] prepare to attack the ''Pillar of Autumn''.<ref>'''Halo: The Flood''', ''Prologue''</ref>
*The [[Battle of Installation 04]] begins.
*The [[Battle of Installation 04]] begins.
*'''0120 hours ship time''': Keyes learns of the Covenant presence in the system and decides to wake the whole crew out of cryo.<ref>'''[[Halo: Combat Evolved]]''', campaign level ''[[The Pillar of Autumn (Halo: Combat Evolved level)|The Pillar of Autumn]] opening cutscene''</ref>
*'''0120 hours ship time''': Keyes learns of the Covenant presence in the system and decides to wake the whole crew out of cryo.<ref>'''[[Halo: Combat Evolved]]''', campaign level ''[[The_Pillar_of_Autumn_(Halo:_Combat_Evolved_level)|The Pillar of Autumn]] opening cutscene''</ref>
*'''0127 hours ship time''': The Fleet of Particular Justice finally strike the ''Pillar of Autumn''. John-117 is also woken from cryo sleep around this time and tasked with preventing Cortana's capture by the Covenant. John-117 and Cortana escape the ''Pillar of Autumn'' aboard a [[Class-3 Enclosed Heavy Lifeboat, Controlled|Bumblebee escape pod]], which later crashes on the ring.<ref>'''Halo: The Flood''', ''Chapter 1''</ref>
*'''0127 hours ship time''': The Fleet of Particular Justice finally strike the ''Pillar of Autumn''. John-117 is also woken from cryo sleep around this time and tasked with preventing Cortana's capture by the Covenant. John-117 and Cortana escape the ''Pillar of Autumn'' aboard a [[Class-3 Enclosed Heavy Lifeboat, Controlled|Bumblebee escape pod]], which later crashes on the ring.<ref>'''Halo: The Flood''', ''Chapter 1''</ref>
*The Pillar of Autumn is forced to crash land on the ring. A significant portion of its crew survives to continue the fight on the ground.
*The Pillar of Autumn is forced to crash land on the ring. A significant portion of its crew survives to continue the fight on the ground.
*Captain Keyes and the others in his escape pod are captured by the Covenant. Only Keyes escapes summary execution, and is taken to the {{Pattern|Ket|battlecruiser|}} ''[[Truth and Reconciliation]]'' for interrogation.  
*Captain Keyes and the others in his escape pod are captured by the Covenant. Only Keyes escapes summary execution, and is taken to the {{Class|CCS|battlecruiser|}} ''[[Truth and Reconciliation]]'' for interrogation.  
*A large group of ODSTs and survivors, under the command of [[Major]] [[Antonio Silva]], (who assumed command of ''Autumn'' 's surviving crew after Captain Keyes' capture by the Covenant) establish [[Alpha Base (Installation 04)|Alpha Base]], which serves as the main tactical firebase for the survivors and as a staging point for any future Covenant attacks.  
*A large group of ODSTs and survivors, under the command of [[Major]] [[Antonio Silva]], (who assumed command of ''Autumn'' 's surviving crew after Captain Keyes' capture by the Covenant) establish [[Alpha Base (Installation 04)|Alpha Base]], which serves as the main tactical firebase for the survivors and as a staging point for any future Covenant attacks.  
[[File:SC new.png|200px|thumb|John-117 leading Marines on Installation 04.]]
[[File:SC new.png|200px|thumb|right|John-117 leading Marines on Installation 04.]]
*John-117 leads a [[UNSC Marine Corps|Marine]] force to board the ''Truth and Reconciliation''. They recover Keyes and escape aboard a [[Dextro Xur-pattern Spirit|Covenant dropship]].
*John-117 leads a [[UNSC Marine Corps|Marine]] force to board the ''Truth and Reconciliation''. They recover Keyes and escape aboard a [[Type-25 Troop Carrier|Covenant dropship]].


'''September 20'''
'''September 20'''
*Keyes orders John-117 to find the "[[Silent Cartographer]]", a map room that will reveal the location of the [[Control Room]]. Keyes leaves to lead an assault on a Covenant weapons cache.
*Keyes orders John-117 to find the "[[Silent Cartographer]]", a map room that will reveal the location of the [[Control Room]]. Keyes leaves to lead an assault on a Covenant weapons cache.
*Having found the map room and the pertinent information, Cortana directs a [[Echo 419|Pelican]] to take them to the area where the ring's Control Room is. Upon reaching the Control Room, Cortana transfers to the Control Room's computer and directs John-117 to stop Keyes from accessing the 'weapons cache', in reality a [[Forerunner]] [[Flood containment facility]].
*Having found the map room and the pertinent information, Cortana directs a [[Echo 419|Pelican]] to take them to the area where the ring's Control Room is. Upon reaching the Control Room, Cortana transfers to the Control Room's computer and directs John-117 to stop Keyes from accessing the 'weapons cache', in reality a [[Forerunner]] [[Flood containment facility]].
*Before transporting the Chief to the supposed weapons cache, [[Carol Rawley]] records a mission report detailing their underground insertion near the Control Room. This report is entered into the UNSC Archives.<ref>'''[[Halo Infinite: Memory Agent]]''', ''[[Chapter 3: We Deliver]]''</ref>
*John-117, without Cortana, enters the supposed weapons cache but is unable to locate Keyes. Instead, he discovers [[the Flood]] and is forced to retreat. He links up with marines and takes command of the surviving members of Keyes' team and together they fight their way to the extraction point. However, the Spartan is conscripted by [[343 Guilty Spark]] and [[Slipspace translocation|teleported]] away before he can be evacuated with the surviving members.
*John-117, without Cortana, enters the supposed weapons cache but is unable to locate Keyes. Instead, he discovers [[the Flood]] and is forced to retreat. He links up with marines and takes command of the surviving members of Keyes' team and together they fight their way to the extraction point. However, the Spartan is conscripted by [[343 Guilty Spark]] and [[Slipspace translocation|teleported]] away before he can be evacuated with the surviving members.
*Major Silva and the others under his command abandon Alpha Base after discovering a large Flood infestation beneath the base. They then learn that the ''Truth and Reconciliation'' has been abandoned and lead a strike force to capture the ship.  
*Major Silva and the others under his command abandon Alpha Base after discovering a large Flood infestation beneath the base. They then learn that the ''Truth and Reconciliation'' has been abandoned and lead a strike force to capture the ship.  
*The Flood succeed in capturing the Covenant dropship ''[[Brilliant Gift]]'', and use it to crash-land on board the Covenant ship ''[[Infinite Succor]]'', in orbit above Installation 04, with the intent to spread itself to the rest of the Fleet of Particular Justice. This is avoided when [[Special Operations Commander]] [[Rtas 'Vadumee]] sets the ''Infinite Succor'' on a crash-course vector for the system's star, [[Soell]]. Rtas 'Vadumee is the only survivor.
*The Flood succeed in capturing the Covenant dropship ''[[Brilliant Gift]]'', and use it to crash-land onboard the Covenant ship ''[[Infinite Succor]]'', in orbit above Installation 04, with the intent to spread itself to the rest of the Fleet of Particular Justice. This is avoided when [[Special Operations Commander]] [[Rtas 'Vadumee]] sets the ''Infinite Succor'' on a crash-course vector for the system's star, [[Soell]]. Rtas 'Vadumee is the only survivor.
*The [[SPARTAN-IV program]] enters development under the oversight of Admiral [[Margaret Parangosky]], [[CINCONI]]. The project's existence is kept secret from both Dr. Catherine Halsey and Colonel James Ackerson, the respective creators of the SPARTAN-II and SPARTAN-III programs.<ref>[https://www.halowaypoint.com/en-us/universe/factions/spartans '''Halo Waypoint''' - ''Spartans'']</ref>
*The [[SPARTAN-IV program]] enters development under the oversight of Admiral [[Margaret Parangosky]], [[CINCONI]]. The project's existence is kept secret from both Dr. Catherine Halsey and Colonel James Ackerson, the respective creators of the SPARTAN-II and SPARTAN-III programs.<ref>[https://www.halowaypoint.com/en-us/universe/factions/spartans '''Halo Waypoint''' - ''Spartans'']</ref>


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*The Monitor takes John-117 to the ring's [[Library]] to retrieve the [[Activation Index]], a device needed to activate the ring's primary weapon. Having retrieved the Index, the Monitor teleports the Spartan back to the Control Room where an irate Cortana confiscates the Index and prevents the ring from firing. John-117 and Cortana flee a now-hostile 343 Guilty Spark and [[Sentinel]]s.
*The Monitor takes John-117 to the ring's [[Library]] to retrieve the [[Activation Index]], a device needed to activate the ring's primary weapon. Having retrieved the Index, the Monitor teleports the Spartan back to the Control Room where an irate Cortana confiscates the Index and prevents the ring from firing. John-117 and Cortana flee a now-hostile 343 Guilty Spark and [[Sentinel]]s.
*To forestall the ring from being activated manually, John-117 disables the ring's three [[phase pulse generator]]s. This is to buy time to destroy the ring by activating the auto-destruct on the ''Pillar of Autumn''. Only Keyes' [[command neural interface]] can activate the ship's self-destruct, and John-117 embarks once more to rescue the captain.
*To forestall the ring from being activated manually, John-117 disables the ring's three [[phase pulse generator]]s. This is to buy time to destroy the ring by activating the auto-destruct on the ''Pillar of Autumn''. Only Keyes' [[command neural interface]] can activate the ship's self-destruct, and John-117 embarks once more to rescue the captain.
*The failed attempt to activate Alpha Halo results in the first [[Onyx Sentinel]]s appearing.{{Ref/Novel|GoO|Page=175|Quote=Halsey: That timing coincides with the activation of an alien weapon world - before John thankfully destroyed it. It is no coincidence that the Sentinels appeared then. It must be part of a larger Forerunner plan.}}


'''September 22'''
'''September 22'''
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'''September 23'''
'''September 23'''
*The month's temporal anomaly is seemingly rectified by this date.
*The month's temporal anomaly is seemingly rectified by this date.
*After the destruction of Installation 04, [[Installation 00]] commences the [[Installation 08|construction of the replacement]] for Installation 04.


'''September 26'''
'''September 26'''
*ONI agent [[Jameson Locke]] compiles a target profile report concerning Supreme Commander Thel 'Vadamee, detailing 'Vadamee's personal history from the start of the Human-Covenant War to the glassing of Reach.<ref>'''[[Halo 2: Anniversary]]''', ''[[Terminal (Halo 2: Anniversary)|Terminals]]''</ref>
*ONI agent [[Jameson Locke]] compiles a target profile report concerning Supreme Commander Thel 'Vadamee, detailing 'Vadamee's personal history from the start of the Human-Covenant War to the glassing of Reach.<ref>'''[[Halo 2: Anniversary]]''', ''[[Terminal/Halo 2: Anniversary|Terminals]]''</ref>
 
'''September 27'''
*Covenant glassing operations on [[Reach]] ends.{{Ref/Book|Id=Enc22|Enc22|Page=42-43}}


====September's anomaly====
====September's anomaly====
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*Dr. Halsey and members of Red Team discover an [[Forerunner crystal|enigmatic shard]] in a [[Menachite Forerunner Complex|Forerunner installation]] below CASTLE Base. They are besieged by Covenant forces who seek to possess the shard.
*Dr. Halsey and members of Red Team discover an [[Forerunner crystal|enigmatic shard]] in a [[Menachite Forerunner Complex|Forerunner installation]] below CASTLE Base. They are besieged by Covenant forces who seek to possess the shard.
*Dr. Halsey initiates [[Operation: WHITE GLOVE]], destroying CASTLE Base, thus preventing the Covenant forces above from capturing any UNSC or Forerunner technology. Halsey and members of [[Red Team]] are protected from the resulting detonation when they hide in the caves beneath the base.
*Dr. Halsey initiates [[Operation: WHITE GLOVE]], destroying CASTLE Base, thus preventing the Covenant forces above from capturing any UNSC or Forerunner technology. Halsey and members of [[Red Team]] are protected from the resulting detonation when they hide in the caves beneath the base.
*The remaining Spartans, [[Danforth Whitcomb|Admiral Whitcomb]], Dr. Halsey, [[Avery Junior Johnson|Sgt. Johnson]], [[Elias Haverson|Lieutenant Haverson]], Warrant Officer Polaski, and Corporal Locklear jump to Slipspace on board the Covenant/UNSC hybrid ship {{UNSCShip|Gettysburg}}-''Ascendant Justice'', and discover that the shard seems to have the ability to bend both space and time.
*The remaining Spartans, [[Danforth Whitcomb|Admiral Whitcomb]], Dr. Halsey, [[Avery Junior Johnson|Sgt. Johnson]], [[Elias Haverson|Lieutenant Haverson]], Warrant Officer Polaski, and Corporal Locklear jump to Slipspace on board the Covenant/UNSC hybrid ship {{UNSCship|Gettysburg}}-''Ascendant Justice'', and discover that the shard seems to have the ability to bend both space and time.


'''September 12'''
'''September 12'''
*The ''Gettysburg''/''Ascendant Justice'' arrives for refit and provisioning in the Eridanus system.  
*The ''Gettysburg''/''Ascendant Justice'' arrives for refit and provisioning in the Eridanus system.  
*Vice Admiral Whitcomb secures a meeting with rebel leader Governor [[Jacob Jiles]], attempting to reason with him that the Covenant would most likely arrive to claim the Forerunner crystal. When several Covenant warships emerge from slipspace, Jiles agrees to help the UNSC forces.  
*Vice Admiral Whitcomb secures a meeting with rebel leader Governor [[Jacob Jiles]], attempting to reason with him that the Covenant would most likely arrive to claim the Forerunner crystal. When several Covenant warships emerge from slipspace, Jiles agrees to help the UNSC forces.  
*Dr. Halsey sedates [[Kelly-087]], and absconds with her on Governor Jiles' personal ship, the [[Chiroptera-class subprowler|''Chiroptera''-class]] ''[[Beatrice]]''. Before she goes, she gives the Forerunner crystal to Corporal Locklear, with implicit instructions to destroy it.  
*Dr. Halsey sedates [[Kelly-087]], and absconds with her on Governor Jiles' personal ship, the [[Chiroptera-class stealth vessel|''Chiroptera''-class]] ''[[Beatrice]]''. Before she goes, she gives the Forerunner crystal to Corporal Locklear, with implicit instructions to destroy it.  
*A large Covenant fleet enters the Eridanus system, forcing the hand of Admiral Whitcomb; he pulls out and retreats, as does the ''Gettysburg''/''Ascendant Justice'', leaving the rebels to their doom.  
*A large Covenant fleet enters the Eridanus system, forcing the hand of Admiral Whitcomb; he pulls out and retreats, as does the ''Gettysburg''/''Ascendant Justice'', leaving the rebels to their doom.  
*Governor Jiles is killed and the [[Eridanus rebels]] are destroyed during the [[Massacre at Eridanus Secundus]]. Eridanus Secundus itself is destroyed by the Covenant.
*Governor Jiles is killed and the [[Eridanus rebels]] are destroyed during the [[Massacre at Eridanus Secundus]]. Eridanus Secundus itself is destroyed by the Covenant.
Line 236: Line 208:
'''Unknown date'''
'''Unknown date'''
*An edict from the Office of the High Prophet of Truth orders that in the virtue of the Jiralhanae, all Sangheili posted with the [[Fleet of Profound Solitude]], the [[Fleet of Tranquil Composure]], and the [[Fleet of Inner Knowledge]] to be completely replaced by Jiralhanae. Each removed Sangheili to be assigned other duties. In celebration, all imprisoned or criminal Jiralhanae were released, rehabilitated, and pardoned.<ref>'''Halo Wars''': ''Halo Timeline''</ref>
*An edict from the Office of the High Prophet of Truth orders that in the virtue of the Jiralhanae, all Sangheili posted with the [[Fleet of Profound Solitude]], the [[Fleet of Tranquil Composure]], and the [[Fleet of Inner Knowledge]] to be completely replaced by Jiralhanae. Each removed Sangheili to be assigned other duties. In celebration, all imprisoned or criminal Jiralhanae were released, rehabilitated, and pardoned.<ref>'''Halo Wars''': ''Halo Timeline''</ref>
*[[ODST]] [[Sarah Palmer]], the future commander of the [[SPARTAN-IV program|SPARTAN-IVs]] on {{UNSCShip|Infinity}}, rescues [[Admiral]] [[Kovalic]] and a vital AI from a planet under Covenant attack. Wounded in action, Palmer is sent to [[Lockhart medical station|''Lockhart'' medical facility]] to recover.<ref name="Initiation">'''Halo: Initiation''', ''Issue 1''</ref>
*[[ODST]] [[Sarah Palmer]], the future commander of the [[SPARTAN-IV program|SPARTAN-IVs]] on {{UNSCship|Infinity}}, rescues [[Admiral]] [[Kovalic]] and a vital AI from a planet under Covenant attack. Wounded in action, Palmer is sent to [[Lockhart medical station|''Lockhart'' medical facility]] to recover.<ref name="Initiation">'''Halo: Initiation''', ''Issue 1''</ref>


'''October 8'''
'''October 8'''
*After escaping from the Battle of Tribute, the freighter ''[[Floral Express]]'' discovers [[Installation 03]].<ref name="11hour">''[[Eleventh Hour reports]]''</ref>
*After escaping from the Battle of Tribute, the freighter ''[[Floral Express]]'' discovers [[Installation 03]].<ref name="11hour">''[[Eleventh Hour reports]]''</ref>
*[[Admiral]] [[J. Garcia]] forwards Log 01–0089 to [[UNSC High Command]], which contains the preliminary reports of action during the [[Fall of Reach|Defense of Reach]].<ref name="lootcrate2">'''[[Halo Legendary Crate]]''', ''[[Halo Legendary Crate/Data Drops|Data Drop #2]]''</ref>
*[[Admiral]] [[J. Garcia]] forwards Log 01-0089 to [[UNSC High Command]], which contains the preliminary reports of action during the [[Fall of Reach|Defense of Reach]].<ref name="loot2">'''[[Halo Legendary Crate]]''', ''Crate #2''</ref>
 
'''October 9'''
*Doctor [[O. Cheng]] forwards Log 01–0921, an intelligence report incorporating recent naval losses during the [[Fall of Reach]], to the [[UNSC Security Council]].{{Ref/Reuse|lootcrate2}}
 
'''October 10'''
*The [[UNSC Navy]]'s [[Third Fleet]], and specifically [[Battle Group Rhino]] loses the {{UNSCShip|Totem Lake}} in the [[Battle of October 10]].{{Ref/Reuse|lootcrate2}}
 
'''October 13'''
*On [[Argyre Planitia]], [[Mars]], gravitic and radiation anomalies are detected by UNSC scouting teams. After on-site search and assessment, cloaked remote sensors are discovered, and WIDEAWAKE cryptonym is triggered, but an stand-down order is issued by Fleet Admiral Joseph Harper after consulting with CINCONI Parangosky.{{Ref/Reuse|lootcrate2}}
 
'''October 17'''
*[[Captain]] [[W. Murray]] reports an after-action report of the [[Battle of October 10]] in the form of 83 files later termed Log 01–0991.{{Ref/Reuse|lootcrate2}}


'''October 19'''
'''October 19'''
*Aboard ''Cairo Station'', Sergeant Johnson is interrogated by Dr. [[Veronica Clayton]] of ONI in regards to the events surrounding [[Operation: First Strike]].<ref>'''[[Halo Legendary Crate]]''', ''[[Halo Legendary Crate/Data Drops|Data Drop #10]]''</ref>
*Cortana details the Battle of Installation 04 to ONI.<ref name="11hour"/>
*Cortana details the Battle of Installation 04 to ONI.{{Ref/Reuse|11hour}}
*During a routine seismic scan, [[Vergil]], a subroutine of [[New Mombasa]]'s [[Superintendent]] AI, discovers a [[Portal at Voi|seismic anomaly]] underneath the city. The report is accessed by [[Endesha|Dr. Daniel Endesha]], a scientist responsible for the management of the AI.<ref>''[[Sadie's Story]]''</ref>
*[[Staff Sergeant]] [[Malcolm Geffen]] forwards Log 01–1101, an intelligence report about the anomalies registered on Mars.{{Ref/Reuse|lootcrate2}}


'''October 20'''
'''October 20'''
[[File:H3ODST MombasaBattle Concept.jpg|200px|thumb|The Battle of Earth at Mombasa.]]
[[File:Battle of New Mombasa.jpg|200px|thumb|right|The Battle of Earth at Mombasa.]]
*John-117 is outfitted with the [[MJOLNIR Powered Assault Armor/Mark VI|MJOLNIR Mk. VI]] aboard ''[[Cairo Station (station)|Cairo Station]]''.
*John-117 is outfitted with the [[MJOLNIR Powered Assault Armor/Mark VI|MJOLNIR Mk. VI]] aboard [[Cairo Station]].
*'''1248 hours''': [[Io Station]] detects a possible Covenant sighting in the [[Sol system]] and contacts the [[UNSC Home Fleet]]. Cortana, on board the ''Cairo'', receives the message and briefs Lord Hood.{{Ref/Reuse|lootcrate2}}<ref>'''[[Halo 2]]''', level ''[[Cairo Station]]''</ref>
*[[Thel 'Vadam]]ee, the [[Supreme Commander]] of the [[Fleet of Particular Justice]], is deemed a heretic by the Covenant [[High Council]] and is sentenced to death.
*On [[High Charity]], [[Thel 'Vadam]]ee, the disgraced [[Supreme Commander]] of the [[Fleet of Particular Justice]], is deemed a heretic by the Covenant [[High Council]] and is sentenced to death for his failure to safeguard [[Installation 04]] one month prior.
*John-117 and Staff Sergeant (now promoted to Sergeant Major) Johnson are awarded the [[Colonial Cross]] at a ceremony aboard Cairo Station. Captain Keyes is awarded posthumously and the decoration is entrusted to his daughter [[Miranda Keyes]].
*John-117 and Staff Sergeant (now promoted to Sergeant Major) Johnson are awarded the [[Colonial Cross]] at a ceremony aboard Cairo Station. Captain Keyes is awarded posthumously and the decoration is entrusted to his daughter, [[Miranda Keyes]].
*The Battle of Earth begins.
*Instead of being executed, 'Vadamee is given the title of [[Arbiter]] by the High Prophets of Truth and Mercy, and sent to [[Threshold]] with Rtas 'Vadumee and [[Tartarus]] on [[Raid on the Threshold gas mine|a mission]] to eliminate a band of [[Sesa 'Refumee's heretic faction|heretics]] led by [[Sesa 'Refumee]]. Following 'Refumee's death, the group recovers [[343 Guilty Spark]].
*The High Prophet of Regret's [[Fleet of Sacred Consecration|fleet]] arrives at Earth, not expecting any human presence. The vastly outnumbered Covenant force attacks without seeking support from other Covenant forces.
*The [[High Prophet of Regret]]'s [[Fleet of Sacred Consecration|fleet]] eventually arrives at Earth, not expecting any human presence. The vastly outnumbered Covenant force attacks the UNSC Home Fleet without seeking support from other Covenant forces, precipitating the Battle for Earth.
*John-117 foils a Covenant attempt to demolish Cairo Station and commandeers the Covenant [[Antimatter charge|bomb]] to destroy an assault carrier.
*'''1412 hours''': Lord Hood and Fleet Admiral [[Joseph Harper|Harper]] coordinate Earth's orbital defense during the opening stages.
*The [[High Prophet of Regret]]'s assault carrier, ''[[Solemn Penance]]'', breaks through the orbital defenses and initiates a [[Battle of Mombasa|ground assault]] on [[New Mombasa]] and the [[Mombasa|surrounding area]].
*'''1421 hours''': ''[[Malta Station]]'' and ''[[Athens Station]]'' are destroyed, clearing the way for the first attack wave.
*John-117 deploys to New Mombasa in an attempt to capture the High Prophet of Regret. Before this can happen, the assault carrier initiates a slipspace jump within the city, escaping Earth and severely damaging the city in the process. The {{UNSCShip|In Amber Clad}}, with John-117 aboard, successfully pursues the carrier through slipspace.
*'''1450 hours''': John-117 foils a Covenant attempt to destroy the ''Cairo'' and instead uses the bomb to sabotage the ''[[Day of Jubilation]]'', one of Regret's only two assault carriers.  
*Immediately after Regret's retreat, an additional [[Jiralhanae]]-led Covenant occupation force is inserted to New Mombasa, as a part of the Prophet of Truth's plan to eventually [[Great Schism|replace the Sangheili with the Brutes]] as the Covenant's primary warrior race. For the rest of the day, UNSC and Covenant forces battle for control of the city. Meanwhile, the Covenant fleet begins the process of uncovering the [[The Portal|Ark portal]].
*'''1459 hours''': Having successfully made it planetside, Regret's remaining carrier and flagship, ''[[Solemn Penance]]'', initiates a [[Battle of Mombasa|ground assault]] on New Mombasa.  
*[[Alpha-Nine|A squad of ODSTs]] led by [[Veronica Dare|Captain Veronica Dare]] and [[Edward Buck|Gunnery Sergeant Edward Buck]] and consisting of Corporal Taylor "Dutch" Miles, Lance Corporal Kojo "Romeo" Agu, [[Michael Crespo|PFC Michael "Mickey" Crespo]], and The Rookie, launch into New Mombasa from the {{UNSCShip|Say My Name}}. However, the squad is scattered after the Prophet of Regret's carrier jumps to Slipspace.
*John-117 is recovered by the {{UNSCShip|In Amber Clad}} and deploys to Mombasa in an attempt to capture the Prophet.
*Gunnery Sergeant Buck lands at [[Tayari Plaza]] and assists Marine forces in combating the Covenant. He attempts to link up with Captain Dare, but she has gone missing, though he does link up with Lance Corporal Agu.
*The [[civilian]] populace begins to evacuate; Dr. Endesha's daughter [[Sadie Endesha|Sadie]] and former [[NMPD]] cop [[Mike Branley]] [[Sadie's Story|navigate the war-torn streets]] of New Mombasa with the help of Vergil in order to reach her father in the [[New Mombasa Data Center]]. However, the corrupt police commissioner, [[Kinsler]], in an act of vengeance against Sadie for refusing his previous sexual advances, has his men kill her father with [[argon]] gas by tripping the data center's fire suppression system.  
*Marine forces under the command of an [[unidentified colonel]] within New Mombasa start to regroup, managing to take back the [[Uplift Nature Reserve]]. However, the [[Mombasa Tether]] collapses, killing the Colonel and scattering the Marine forces into disarray.  
*During the fighting, the Covenant damage the Superintendent's data systems; a [[Quick to Adjust|lone Huragok]] survives and starts to repair the AI, saving Vergil by starting to absorb it into its own system. Kinsler, intending to take Sadie a prisoner as he leaves the city, is killed by Vergil after the subroutine allows a mob to tear him apart. Despite Sadie's pleas to stay and find him, Vergil sends her off on a [[NMTA|train]] with Mike towards [[Nairobi]], saving her life.
*The [[ONI Alpha Site]] in New Mombasa is destroyed by the combined forces of the UNSC and the [[New Mombasa Police Department]], led by Corporal Miles and and PFC Crespo, in order to prevent the Covenant from accessing it. During the attack, Police Commissioner [[Kinsler]] activates the fire extinguishing systems in the underground data facility, flooding its sublevels with argon. The argon kills [[Daniel Endesha|Dr. Endesha]], who had been on Sublevel 9. The resulting explosion also inadvertently awakens a large [[Yanme'e|Drone]] hive in the tunnels below the base.
*'''1512 hours''': Designated a Tier One Asset, the UNSC identifies the Huragok as being at risk of being killed or captured by the Covenant.
*The former Supreme Commander of Particular Justice is made the [[Arbiter]] by the High Prophets of Truth and Mercy.
*'''1557 hours''': Elsewhere in the city, ODST squad [[Alpha-Five]] participates in [[Operation: WINDOW PANE|an unsuccessful mission]] to retrieve a Forerunner device called the [[Conduit]] from Covenant hands.
*Gunnery Sergeant Buck and his squad regroup. They manage to capture a Covenant dropship and find a way out of New Mombasa through [[Kikowani Station]], but abruptly turn around when they receive a distress call from Captain Dare.
*'''1602 hours''': As part of [[Operation: BUMRUSH|a mission]] to take down the ''Solemn Penance'' from orbit, [[Alpha-Nine|a squad of ODSTs]] led by ONI Captain [[Veronica Dare]] and [[Edward Buck|Gunnery Sergeant Edward Buck]], consisting of Corporal Taylor "Dutch" Miles, Lance Corporal Kojo "Romeo" Agu, [[Michael Crespo|PFC Michael "Mickey" Crespo]], and Lance Corporal Jonathan Doherty, drop into New Mombasa from the {{UNSCShip|Say My Name}}.  
*The Arbiter destroys a band of [[Sesa 'Refumee's heretic faction|heretics]] led by [[Sesa 'Refumee]] and recovers [[343 Guilty Spark]] during a [[Battle of the Threshold gas mine|raid on the Threshold gas mine]].
*'''1603 hours''': With Regret afraid of being overrun, the ''Solemn Penance'' initiates an in-atmosphere Slipspace jump to escape the city; while the ''In Amber Clad'' manages to pursue the carrier through the rift, the resulting explosion severely damages New Mombasa's infrastructure as well as scatters Alpha-Nine's [[SOEIV|drop pods]] across the city.
*Having tailed Regret to Earth, a [[Jiralhanae]]-led Covenant [[Truth's fleet|occupation force]] is inserted into New Mombasa immediately after Regret's retreat as a part of the Prophet of Truth's plan to eventually [[Changing of the Guard|replace the Sangheili with the Jiralhanae]] as the Covenant's primary warrior race. For the rest of the day, UNSC and Covenant forces battle for control of the city.  
*'''1606 hours''': Gunnery Sergeant Buck lands at [[Tayari Plaza (location)|Tayari Plaza]] and assists Marine forces in combating the Covenant. Though he fails to link up with Captain Dare, he regroups with Lance Corporal Agu.
*'''1636 hours''': Corporal Miles assists an [[unidentified colonel]] in securing Regret's old landing zone within the [[Uplift Nature Reserve]].  
*'''1649 hours''': Due to structural damage caused by the Slipspace explosion, the [[Mombasa Tether]] implodes and collapses, killing the colonel and scattering Marine forces into disarray. Miles manages to escape the reserve shortly after. By this point, the Covenant occupies 38% of the city.
*'''1736 hours''': PFC Crespo leads a [[Scorpion]] charge to assist Marines in clearing out [[Kizingo Boulevard (location)|Kizingo Boulevard]] and reaching their [[ONI Alpha Site (location)|rally point]], where he reunites with Miles.
*'''1806 hours''': Crespo and Miles aid the [[New Mombasa Police Department]] in preventing the Covenant from accessing important data housed in ONI's Alpha Site.  
*'''1852 hours''': The troopers are forced to fall back and extract via [[D77C-NMPD Pelican|police Pelican]] while Buck contacts Miles and Crespo to request a pick-up at the [[NMPD HQ|police headquarters]]. Crespo then detonates the Alpha Site to deny it to the Covenant.  The resulting explosion inadvertently awakens a large [[Yanme'e|Drone]] hive in the tunnels below the base. By this point, the Covenant occupies 51% of the city.
*'''1936 hours''': En route to the police HQ, Miles and Crespo's Pelican is shot down; Buck and Agu rescue them after a holding action that wounds Agu in the process.
*'''2106 hours''': Buck and his squad regroup; realizing the trains out of the city are flooded, they capture a [[Phantom]] at [[Kikowani Station (location)|Kikowani Station]] in an effort to escape.
*'''2141 hours''': Remaining Covenant cruisers coalesce over New Mombasa.
*'''2206 hours''': Jonathan Doherty wakes up from the drop and starts to search the streets of New Mombasa for his squadmates.
*'''2215 hours''': Cruisers begin excavation of the crater left behind by the Slipspace explosion, which Buck witnesses from Kikowani.
*'''2227 hours''': By this point, the Covenant occupies 78% of the city.
*Having fled the area, Buck forces his squad to turn around after realizes where Dare went.  
*'''2319 hours''': Dare, having holed up in the city's data center, sights and reports the Tier One Asset Huragok in the tunnels.
*'''2324 hours''': By this point, the Covenant occupies 94% of the city.
*Doherty receives Dare's distress call and fights his way through the data center to link up with her; together, they capture the Huragok, which by this point has fully absorbed the Superintendent (and Vergil) into itself.
*'''2359 hours''': Buck arrives to help secure the Huragok, now identified as Vergil.
*The Battle of Mombasa ends with a Covenant victory.


'''October 21'''
'''October 21'''
*Buck, Dare, and Doherty defend the Huragok as they fight their way to the surface.  
*[[Sadie Endesha]] and [[Mike Branley]] manage to escape New Mombasa.
*At dawn, the team witnesses continual Covenant reinforcements arriving at Earth to aid in excavation efforts. They flee down the city's [[New Mombasa Waterfront Highway|Waterfront Highway]] and reconnect with the rest of Alpha-Nine at the entrance to the Uplift Nature Reserve. The squad manages to hold out and eventually escapes New Mombasa as the city, along with its surroundings, are [[Glassing|glassed]] by the excavation fleet.
*The Battle of Mombasa ends with a Covenant victory.
*In the dawn, Covenant reinforcements sent by the Prophet of Truth continue arriving at Earth to uncover the Portal.
*Buck's ODST squad recovers a [[Quick to Adjust|Huragok]] which has absorbed the Superintendent's [[Vergil]] subroutine, and escapes from the data facility beneath Alpha Site. Covenant forces attempt to capture Vergil from the squad as they make their way through the [[New Mombasa Waterfront Highway|Waterfront Highway]]. The squad manages to hold out and eventually escapes New Mombasa as the city, along with its surroundings are [[Glassing|glassed]] by the Covenant excavation fleet.


'''October 21 through November 17'''
'''October 21 through November 17'''
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'''October 25'''
'''October 25'''
*The Office of Naval Intelligence sends an exploration-and-neutralization team to [[Installation 03|Gamma Halo]].{{Ref/Reuse|11hour}}
*The Office of Naval Intelligence sends an exploration-and-neutralization team to [[Installation 03|Gamma Halo]].<ref name="11hour"/>
*[[Skirmish on Mona Lisa|Skirmish on ''Mona Lisa'']]: The {{UNSCShip|Red Horse}} is sent to Installation 04's debris field in the Soell system to scout the area for survivors. They detect the [[prison ship]] ''[[Mona Lisa]]'' and deploy Marines into the ship. Soon after, it is revealed that the ship is infested by the Flood and was used by the Office of Naval Intelligence as a laboratory to test the parasite on prisoners. The infestation is contained as the ''Red Horse'' unleashes a [[Shiva-class nuclear missile]] on the ''Mona Lisa'', destroying it.<ref>'''Halo: Evolutions - Essential Tales of the Halo Universe''' - "The Mona Lisa"</ref><ref>[https://www.halowaypoint.com/en-us/forums/db05ce78845f4120b062c50816008e5d/topics/catalog-interaction/4c3e1c6f-6519-4ee0-83a4-4bac13bf07a3/posts?page=46#post454 '''Halo Waypoint''': ''Catalog Interaction'' (post 2976443)]</ref>
*[[Skirmish on Mona Lisa|Skirmish on ''Mona Lisa'']]: The {{UNSCShip|Red Horse}} is sent to Installation 04's debris field in the Soell system to scout the area for survivors. They detect the [[prison ship]] ''[[Mona Lisa]]'' and deploy Marines into the ship. Soon after, it is revealed that the ship is infested by the Flood and was used by the Office of Naval Intelligence as a laboratory to test the parasite on prisoners. The infestation is contained as the ''Red Horse'' unleashes a [[Shiva-class nuclear missile]] on the ''Mona Lisa'', destroying it.<ref>'''Halo: Evolutions - Essential Tales of the Halo Universe''' - "The Mona Lisa"</ref><ref>[https://www.halowaypoint.com/en-us/forums/db05ce78845f4120b062c50816008e5d/topics/catalog-interaction/4c3e1c6f-6519-4ee0-83a4-4bac13bf07a3/posts?page=46#post454 '''Halo Waypoint''': ''Catalog Interaction'' (post 2976443)]</ref>


'''October 31'''
'''October 31'''
*The [[Onyx Conflict]] begins.
*The [[Battle of Onyx]] begins.
*The standby signal rouses the [[Onyx Sentinel|Sentinels]] of [[Onyx]], who destroy the UNSC base on the world.
*The standby signal rouses the [[Onyx Sentinel|Sentinels]] of [[Onyx]], who destroy the UNSC base on the world.
*[[Team Gladius]] of the [[SPARTAN-III]] [[Gamma Company]] is totally wiped out by the Sentinels. [[Team Katana]] is forced into [[Zone 67]], and [[Team Saber]] loses contact with [[Camp Currahee]].
*[[Team Gladius]] of the [[SPARTAN-III]] [[Gamma Company]] is totally wiped out by the Sentinels. [[Team Katana]] is forced into [[Zone 67]], and [[Team Saber]] loses contact with [[Camp Currahee]].
*Kurt-051, [[Franklin Mendez|SCPO Franklin Mendez]] and Petty Officers [[Tom-B292]] and [[Lucy-B091]] begin to form a resistance against the Sentinels.
*Kurt-051, [[Franklin Mendez|SCPO Franklin Mendez]] and Petty Officers [[Tom-B292]] and [[Lucy-B091]] begin to form a resistance against the Sentinels.
*The {{UNSCShip|Agincourt (frigate)}}, in high orbit above Onyx, is destroyed by Sentinels.
*The {{UNSCShip|Agincourt}}, in high orbit above Onyx, is destroyed by Sentinels.
*Chief Mendez declares emergency code [[Bloody Arrow]] over the UNSC [[E-BAND]].
*Chief Mendez declares emergency code [[Bloody Arrow]] over the UNSC [[E-BAND]].


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'''November 2'''
'''November 2'''
*The [[Battle of Installation 05]] begins.
*The [[Battle of Installation 05]] begins.
*The UNSC ''In Amber Clad'' arrives at [[Delta Halo]], following the High Prophet of Regret's assault carrier. John-117, aided by ODSTs and [[marine]]s, pursue the High Prophet to a Forerunner temple and assassinate him. However, orbital bombardment from the escorting fleets of the newly arrived [[High Charity]] destroys the temple. John-117 is thrown into a lake and captured by the Gravemind.
*The UNSC ''In Amber Clad'' arrives at [[Delta Halo]], following the High Prophet of Regrets assault carrier. John-117, aided by ODSTs and [[marine]]s, pursue the High Prophet to a Forerunner temple and assassinate him. However, orbital bombardment from the escorting fleets of the newly arrived [[High Charity]] destroys the temple. John-117 is thrown into a lake and captured by the Gravemind.
*The [[Changing of the Guard]] within the Covenant occurs.
*The [[Changing of the Guard]] within the Covenant occurs.
'''November 3'''
'''November 3'''
[[File:H2A Great Schism.png|thumb|250px|Jiralhanae and Sangheili ships fighting over High Charity.]]
[[File:H2A Great Schism.png|thumb|250px|right|Jiralhanae and Sangheili ships fighting over High Charity.]]
*The [[Great Schism]] begins.
*The [[Great Schism]] begins.
*The [[Prophet of Conviction]] is killed by [[Unidentified Shipmaster (Righteous Vigilance)|one of his shipmasters]] after learning that Conviction ordered the killings of the Sangheili [[councilor]]s within the [[Fleet of Righteous Vigilance]].
*The [[Prophet of Conviction]] is killed by [[Unidentified Shipmaster (Righteous Vigilance)|one of his shipmasters]] after learning that Conviction ordered the killings of the Sangheili [[Councilor|councilors]] within the [[Fleet of Righteous Vigilance]].
*The Arbiter is sent to Delta Halo to retrieve that installation's [[Activation Index|Index]]. The Arbiter is successful, but is then betrayed by [[Tartarus]], who casts the Arbiter into the depths of the ringworld. The Arbiter is subsequently captured by Gravemind.
*The Arbiter is sent to Delta Halo to retrieve that installation's [[Activation Index|Index]]. The Arbiter is successful, but is then betrayed by [[Tartarus]], who casts the Arbiter into the depths of the ringworld. The Arbiter is subsequently captured by Gravemind.
*Gravemind sends John-117 and the Arbiter to secure the Index and prevent the installation from being activated. John-117 is teleported to High Charity while the Arbiter is teleported close to the Control Room. Both are aided by the chaos of the Covenant civil war.
*Gravemind sends John-117 and the Arbiter to secure the Index and prevent the installation from being activated. John-117 is teleported to High Charity while the Arbiter is teleported close to the Control Room. Both are aided by the chaos of the Covenant civil war.
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*The {{UNSCShip|Dusk}} arrives at Delta Halo and witnesses the final stages of the Battle of Installation 05. She retreats to Earth via an anomalous [[Slipstream space#Slipspace wake|slipspace wake]] caused by the Forerunner ship.
*The {{UNSCShip|Dusk}} arrives at Delta Halo and witnesses the final stages of the Battle of Installation 05. She retreats to Earth via an anomalous [[Slipstream space#Slipspace wake|slipspace wake]] caused by the Forerunner ship.
*Dr. Halsey and [[Kelly-087]] arrive at Onyx and are trapped along with the rest of the human survivors. Halsey sends a distress signal piggybacked on Cortana's October 28 signal.
*Dr. Halsey and [[Kelly-087]] arrive at Onyx and are trapped along with the rest of the human survivors. Halsey sends a distress signal piggybacked on Cortana's October 28 signal.
*The [[Battle of Havana]] is fought. [[William-043]], Linda-058, and [[Frederic-104]] manage to stall the Covenant's forces in [[Havana]], [[Wikipedia:Cuba|Cuba]] by destroying the [[Centennial Orbital Elevator]]. They receive new orders from Dr. Halsey to redeploy from Earth to Onyx, capture the Covenant destroyer ''[[Bloodied Spirit]]'', and depart for Onyx.
*The [[Battle of Havana]] is fought. [[William-043]], Linda-058, and [[Fred-104]] manage to stall the Covenant's forces in [[Havana]], [[Wikipedia:Cuba|Cuba]] by destroying the [[Centennial Orbital Elevator]]. They receive new orders from Dr. Halsey to redeploy from Earth to Onyx, capture the Covenant destroyer ''[[Bloodied Spirit]]'', and depart for Onyx.
*[[Voro 'Mantakree]] is promoted to [[Fleet Master]] by [[Imperial Admiral]] [[Xytan 'Jar Wattinree]], and is given the mission to intercept the Spartans heading for Onyx and to retrieve the Forerunner technologies said to be there.
*[[Voro 'Mantakree]] is promoted to [[Fleet Master]] by [[Imperial Admiral]] [[Xytan 'Jar Wattinree]], and is given the mission to intercept the Spartans heading for Onyx and to retrieve the Forerunner technologies said to be there.
*Danforth Whitcomb's [[NOVA bomb]] detonates on board the Covenant supercarrier ''[[Sublime Transcendence]]'', in orbit above the Sangheili outpost world [[Joyous Exultation]], destroying every ship in the vicinity, and also scorching a quarter of Joyous Exultation and completely vaporizing the nearby moon [[Malhiem]].
*Danforth Whitcomb's [[NOVA bomb]] detonates onboard the Covenant supercarrier ''[[Sublime Transcendence]]'', in orbit above the Sangheili outpost world [[Joyous Exultation]], destroying every ship in the vicinity, and also scorching a quarter of Joyous Exultation and completely vaporizing the nearby moon [[Malhiem]].
*The ''Dusk'' arrives at Earth after mere hours. Upon arrival, she is reassigned to [[Battle Group Omicron]]. The group jump to Onyx via the ''Bloodied Spirit''<nowiki>'</nowiki> slipspace wake.
*The ''Dusk'' arrives at Earth after mere hours. Upon arrival, she is re-assigned to [[Battle Group Omicron]]. The group jump to Onyx via the ''Bloodied Spirit''<nowiki>'</nowiki> slipspace wake.
*[[Blue Team]] arrives at Onyx aboard the captured ''Bloodied Spirit'', and links up with Kurt-051, Kelly-087, Dr. Halsey, Chief Mendez, and the SPARTAN-III's. They proceed to push forward into Zone 67, retreating further underground when a newly arrived [[Joyous Exultation Covenant|Covenant]] fleet begins landing troops.
*[[Blue Team]] arrives at Onyx aboard the captured ''Bloodied Spirit'', and links up with Kurt-051, Kelly-087, Dr. Halsey, Chief Mendez, and the SPARTAN-III's. They proceed to push forward into Zone 67, retreating further underground when a newly arrived Covenant fleet begins landing troops.
*[[Admiral]] [[Carl Patterson|Patterson]]'s [[Patterson's battle group|battle group]] arrives at Onyx to retrieve the survivors, but is unsuccessful due to the Covenant presence. The UNSC battlegroup is destroyed, with the exception of the ''Dusk'', which avoids destruction by remaining stealthed.
*[[Admiral]] [[Carl Patterson|Patterson]]'s [[Patterson's battle group|battle group]] arrives at Onyx to retrieve the survivors, but is unsuccessful due to the Covenant presence. The UNSC battlegroup is destroyed, with the exception of the ''Dusk'', which avoids destruction by remaining stealthed.
*After an emergency mission redirect by the ONI AI [[Endless Summer]], Kurt-051 and his forces proceed to destroy the [[Sentinel manufacturing facility|Sentinel factory]] in Onyx's polar region and retrieve Team Katana, enclosed within [[slipspace field pod]]s.
*After an emergency mission redirect by the ONI AI [[Endless Summer]], Kurt-051 and his forces proceed to destroy the [[Sentinel manufacturing facility|Sentinel factory]] in Onyx's polar region and retrieve Team Katana, enclosed within [[slipspace field pod]]s.
*Onyx is found to be an artificial structure built by the Forerunners to house a [[shield world]]. The human survivors hold off pursuing Covenant troops long enough to flee to the safety of the shield world.
*Onyx is found to be an artificial structure built by the Forerunners to house a [[shield world]]. The human survivors hold off pursuing Covenant troops long enough to flee to the safety of the shield world.
*Kurt promotes [[Frederic-104]] to [[Lieutenant, Junior Grade]].
*Kurt promotes [[Fred-104]] to [[Lieutenant, Junior Grade]].
*[[Kurt-051]] dies after detonating 2 FENRIS warheads inside Onyx's [[core room antechamber]].
*[[Kurt-051]] dies after detonating 2 FENRIS warheads inside Onyx's [[core room antechamber]].
*The Onyx Conflict ends. Sentinels annihilate the remaining Covenant forces as Onyx's artificial landmass disintegrates.
*The Battle of Onyx ends. Sentinels annihilate the remaining Covenant forces as Onyx's artificial landmass disintegrates.
*[[Chol Von]], a [[T'vaoan]] [[Shipmaster|shipmistress]], renamed her [[missionary ship]] ''[[Paragon|Joyous Discovery]]'' as ''Paragon'' at some point of the Great Schism.<ref name="md141">'''Halo: Mortal Dictata''', ''page 141''</ref> During the Schism, she captured a [[Phantom]], killing two [[Sangheili]] in the process.<ref>'''Halo: Mortal Dictata''', ''page 73''</ref>
*[[Chol Von]], a [[T'vaoan]] [[Shipmaster|shipmistress]], renamed her [[missionary ship]] ''[[Paragon|Joyous Discovery]]'' as ''Paragon'' at some point of the Great Schism.<ref name="md141">'''Halo: Mortal Dictata''', ''page 141''</ref> During the Schism, she captured a [[Phantom]], killing two [[Sangheili]] in the process.<ref>'''Halo: Mortal Dictata''', ''page 73''</ref>
 
*In an effort to contain the Flood outbreak, [[Swords of Sanghelios|Thel 'Vadam's Covenant faction]] begin glassing Installation 05's surface and proceed to destroy any ships leaving the ring.<ref name="Halo101">[https://youtu.be/8K3hG76Ctmo?t=164 '''YouTube''': ''Halo 101: Long Road Home'']</ref>
'''November 4'''
*In an effort to contain the Flood outbreak, [[Fleet of Retribution|Thel 'Vadam's Covenant faction]] begins glassing Installation 05's surface and proceed to destroy any ships leaving the ring.{{Ref/Marketing|Id=LongRoad|Halo Waypoint|The Long Road Home}}<ref>'''[[Eleventh Hour reports]]''', ''Heirlooms''</ref>
*Cortana is deposited into ''High Charity''{{'}}s distributed network.<ref name="DD">'''[[Halo Legendary Crate]]''', ''[[Halo Legendary Crate/Data Drops|Data Drop #9]]''</ref>


'''November 7'''
'''November 7'''
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'''November 8'''
'''November 8'''
*The Prophet of Truth arrives in the [[Sol system]] aboard the Forerunner Dreadnought, and proceeds on course towards Earth at near-relativistic speeds.<ref name="timeline">[http://halo.bungie.net/News/content.aspx?type=topnews&cid=16989 '''Bungie.net''': ''Bungie Weekly Update: 01/23/09'']</ref> However, due to John-117's presence aboard the vessel the ship's crew becomes preoccupied with finding and eliminating the Spartan.{{Ref/Reuse|LongRoad}}
*The Prophet of Truth arrives in the [[Sol system]] aboard the Forerunner Dreadnought, and proceeds on course towards Earth at near-relativistic speeds.<ref name="timeline">[http://www.bungie.net/News/content.aspx?type=topnews&cid=16989 '''Bungie.net''': ''Bungie Weekly Update: 01/23/09'']</ref> However, due to John-117's presence aboard the vessel the ship's crew becomes preoccupied with finding and eliminating the Spartan.<ref name="Halo101"/>
 
'''November 8 through November 15'''{{Ref/Reuse|lootcrate2}}
*[[Sergeant Major Johnson]] and [[Miranda Keyes|Commander Keyes]] arrive back at Earth from Installation 05.


'''November 8 through November 17'''
'''November 8 through November 17'''
*The [[Battle of Mare Erythraeum]] takes place on [[Mars]]. Following the battle, Colonel James Ackerson, commander of the UNSC forces on Mare Erythraeum, is taken hostage and interrogated by the Jiralhanae Commander [[Lepidus]] on board the Covenant cruiser ''[[Triumphant Declaration]]'', who tells them of a Forerunner device linked to the [[Halo Array]] known as the [[Key of Osanalan]], and that it can be found in [[Cleveland]], [[Ohio]]. In reality, the Key of Osanalan is made up as a ploy by James Ackerson to prevent Cleveland from being glassed as part of the battle on Earth in a bid to save the life of his brother, [[Ruwan Ackerson|Ruwan]], who lives there.
*The [[Battle of Mare Erythraeum]] takes place on [[Mars]]. Following the battle, Colonel James Ackerson, leader of the UNSC forces on Mare Erythraeum, is taken hostage and interrogated by the Jiralhanae Commander [[Lepidus]] onboard the Covenant cruiser ''[[Triumphant Declaration]]'', who tells them of a Forerunner device linked to the [[Halo Array]] known as the [[Key of Osanalan]], and that it can be found in [[Cleveland]], [[Ohio]]. In reality, the Key of Osanalan is made up as a ploy by James Ackerson to prevent Cleveland from being glassed and to save the life of his brother [[Ruwan Ackerson|Ruwan]].
*[[Battle of Cleveland]]: Covenant forces, looking for the Key of Osanalan, invade the city of Cleveland. After Ruwan learns the reason the Covenant are invading, he devises a plan with [[Twyker|Sergeant Twyker]].  
*[[Battle of Cleveland]]: Covenant forces, looking for the Key of Osanalan, invade the city of Cleveland, Ohio. After Ruwan learns the reason the Covenant are invading, he devises a plan with [[Twyker|Sergeant Twyker]]. Injected with an [[Tykos 30|organic tracking material]], Ruwan confronts Lepidus at [[Chagrin Falls]] and tells him that ''he'' is the Key of Osanalan and is taken aboard the cruiser ''[[Harbinger of Piety]]'', where the [[Minister of Inquisition]] vows to spare Earth in exchange for Ruwan's knowledge. [[Nassau Station]] then uses its [[Magnetic Accelerator Cannon]] to destroy the ''Harbinger of Piety''.
 
*After the Key of Osanalan is revealed to be deception on part of Colonel Ackerson, Chieftain Lepidus executes Ackerson aboard ''Triumphant Declaration''.
'''November 10'''
*[[Sergeant Major Johnson]] arrives back on Earth and gets clearance from [[Lord Hood]] to question [[Vergil]] about the artifact the High Prophet of Truth is digging up near Voi.
*The [[URNA Southwest Campaign]] begins as Covenant forces start to excavate and occupy built-up positions centered around [[Free-fire Area OZONE]] in [[Arizona]], [[URNA]].{{Ref/Reuse|lootcrate2}}
 
'''November 15'''
*'''1649 hours''': Sergeant Major Johnson gets clearance from [[Lord Hood]] to question [[Vergil]] about [[Portal at Voi|the artifact]] the High Prophet of Truth is digging up near Voi.{{Ref/Reuse|lootcrate2}} Captain Dare participates in the interrogation.
*'''1725 hours''': AI [[Barca]] generates the interrogation into a [[ONI Directorate Memorandum Interrogation Findings|report]] for Lord Hood.{{Ref/Reuse|lootcrate2}}


'''November 17'''{{Ref/Reuse|timeline}}
'''November 17'''<ref name="timeline"/>
[[File:S117returnstoEarth2552.jpg|thumb|250px|John-117 and the Forerunner Dreadnought entering Earth's atmosphere.]]
[[File:S117returnstoEarth2552.jpg|thumb|250px|John-117 and the Forerunner Dreadnought entering Earth's atmosphere.]]
*Believing the Spartan to be dead, the Prophet of Truth orders the crew of the Forerunner Dreadnought to jump further in-system and enter Earth's atmosphere.{{Ref/Reuse|LongRoad}}
*Believing the Spartan to be dead, the Prophet of Truth orders the crew of the Forerunner Dreadnought to jump further in-system and enter Earth's atmosphere.<ref name="Halo101"/> John-117 proceeds to eject from the ship, using a hatch as a heat shield upon re-entry. Meanwhile, [[Battle of Sector Six]] takes place at [[Pawa]], Afghanistan. There, numerous Marines of the [[2nd Orbital Drop Shock Trooper Battalion|2nd ODST Battalion]] track John-117's descent. John-117 eventually lands in the [[East African Protectorate|East African]] jungle near [[Mount Kilimanjaro]], going unconscious for hours.
*The Dreadnought arrives at Earth, and John-117 makes contact with Lord Hood aboard the ''Cairo''.<ref>'''Halo 2''', level ''[[The Great Journey (level)|The Great Journey]]''</ref> Shortly after, the Spartan is ordered to find a way off the ship to avoid being caught in the impending destruction of a nearby Covenant cruiser, ''[[Harbinger of Piety]]''.<ref name="Issue 4">'''Halo Uprising''', ''[[Halo: Uprising Issue 4|Issue 4]]''</ref>
*The Prophet of Truth's Dreadnought lands in the middle of [[The Portal|the Portal]] near [[Voi]], [[Kenya]]. During the last few weeks, Truth's fleet of twenty-odd [[CCS-class battlecruiser|battlecruisers]] and two [[CAS-class assault carrier|assault carriers]] have almost entirely uncovered the Portal and occupied the entire region surrounding it.
*Injected with an [[Tykos 30|organic tracking material]], Ruwan, claiming to the Covenant that he himself is the Key, is taken aboard the cruiser ''[[Harbinger of Piety]]'', where the [[Minister of Inquisition]] vows to spare Earth in exchange for Ruwan's knowledge. [[Nassau Station]] then uses its [[Magnetic Accelerator Cannon]] to obliterate the ''Piety'' and everyone on board.{{Ref/Reuse|Issue 4}}{{Ref/Note|''Halo: Uprising'' establishes that the ''Piety'' and Dreadnought are in the same vicinity at this time, indicating Ruwan's actions take place on this date.}}
*UNSC forces [[Raid on Kilimanjaro|recover]] John-117 from a jungle near [[Mount Kilimanjaro]]. In the underground facility of [[Crow's Nest]], a plan is formulated to launch an aerial strike on Covenant anti-air defenses in the town of [[Voi]] in order to prevent the Prophet of Truth from activating the Forerunner artifact. After repelling a Covenant assault in Crow's Nest and destroying the base in the process, a UNSC strike force led by John-117 retakes the Covenant-held [[Tsavo Highway]].
*John-117 proceeds to eject from the ship, using a hatch as a heat shield upon re-entry. Meanwhile, [[Battle of Sector Six]] takes place at [[Sector Six]]. There, numerous Marines of the [[2nd Orbital Drop Shock Trooper Battalion|2nd ODST Battalion]] track John-117's descent. John-117 eventually lands in the [[Tanzania]]n jungle near [[Mount Kilimanjaro]], going unconscious for hours.
*[[Battle of Voi]]: John-117 and a Marine strike force enter Voi and gradually push back the city's Covenant occupiers, destroying the Covenant anti-air defenses in the city. An aerial strike force consisting of the {{UNSCShip|Forward Unto Dawn}} and two other frigates as well as numerous Longsword fighters assaults the Forerunner Dreadnought resting over the Portal artifact, but are unsuccessful in damaging the ship. Truth activates the portal and retreats through it to [[Installation 00]] along with his forces. At the same moment, a [[Unidentified Flood-captured battlecruiser|Flood-controlled ship]] slips in, crashing in Voi.
*The Prophet of Truth's Dreadnought lands in the middle of [[the Portal]] near [[Voi]], [[Kenya]]. During the last few weeks, Truth's fleet have almost entirely uncovered the Portal and occupied the entire region surrounding it.
*After the Key of Osanalan is revealed to be a ruse, Lepidus executes Ackerson aboard ''Triumphant Declaration''.
*UNSC forces [[Recovery of John-117|recover]] John-117 from a jungle near [[Mount Kilimanjaro]]. In the underground facility of [[Crow's Nest (location)|Crow's Nest]], a plan is formulated to launch an aerial strike on Covenant anti-air defenses in the town of [[Voi]] in order to prevent the Prophet of Truth from activating the Forerunner artifact. After repelling a [[Attack on Crow's Nest|Covenant assault]] on Crow's Nest and destroying the base in the process, a UNSC strike force led by John-117 [[Assault on the Tsavo Highway|retakes]] the Covenant-held [[Tsavo highway (location)|Tsavo Highway]].
*[[Battle of Voi]]: John-117 and a Marine strike force enter Voi and gradually push back the city's Covenant occupiers, destroying the Covenant anti-air defenses in the city. An [[Battle Group Victory|aerial strike force]] consisting of the {{UNSCShip|Forward Unto Dawn}} and at least six other frigates<ref name="mythos">'''[[Halo Mythos]]''', ''page 117''</ref> as well as numerous Longsword fighters assaults the Forerunner Dreadnought resting over the Portal artifact, but are unsuccessful in damaging the ship. Truth activates the portal and retreats through it to [[Installation 00]] along with his forces. At the same moment, a [[Indulgence of Conviction|Flood-controlled ship]] slips in, crashing in Voi.
*Covenant battlenet cohesion breaks down after Truth's departure, allowing UNSC forces in the southwest URNA to begin a major counteroffensive as part of their ongoing campaign.{{Ref/Reuse|lootcrate2}}


[[File:H3 TheArk Opening.jpg|250px|thumb|The Ark portal on Earth activates.]]
[[File:H3 TheArk Opening.jpg|250px|thumb|right|The Ark portal on Earth activates.]]


*UNSC forces make their way toward the crashed ship in order to overload its reactors and contain the Flood outbreak, just as the Sangheili [[Fleet of Retribution]] arrives and drops in reinforcements. After recovering a message by [[Cortana]] from the Flood ship, John-117 and the remaining human and Sangheili forces retreat from Voi, as the Fleet of Retribution glasses the city and its surroundings in order to contain the Flood.
*UNSC forces make their way toward the crashed ship in order to overload its reactors and contain the Flood outbreak, just as the Sangheili [[Fleet of Retribution]] arrives and drops in reinforcements. After recovering a message by [[Cortana]] from the Flood ship, John-117 and the remaining human and Sangheili forces retreat from Voi, as the Fleet of Retribution glasses the city and its surroundings in order to contain the Flood.
*UNSC and Sangheili leaders gather aboard the Sangheili assault carrier ''[[Shadow of Intent]]'' to hear Cortana's message, which reveals there is a way to stop the Flood on the other side of the Portal. Despite Lord Hood's argument to stay and defend Earth from an encroaching now-Flood-infested High Charity, Commander Keyes, along with the Master Chief and the Sangheili, enter the Portal with the Fleet of Retribution and the ''Dawn'', leaving Hood behind to coordinate Earth's remaining defenses.
*UNSC and Sangheili leaders gather aboard the Sangheili assault carrier ''[[Shadow of Intent]]'' to hear Cortana's message, which reveals there is a way to stop the Flood on the other side of the Portal. Despite Lord Hood's urging, Commander Keyes, along with the Master Chief and the Sangheili, enter the Portal with the Fleet of Retribution and the ''Dawn''.


'''November 18'''
'''November 18'''
*'''1545 hours''': High Charity arrives at Mars and makes a slipspace jump to the lesser Ark.<ref>[https://forums.halowaypoint.com/yaf_postsm2959975_Query--Catalog.aspx#post2959975 '''Halo Waypoint''' - ''Query: Catalog'']</ref>
*At 1545 hours, High Charity arrives at Mars and makes a slipspace jump to the lesser Ark.<ref>[https://forums.halowaypoint.com/yaf_postsm2959975_Query--Catalog.aspx#post2959975 '''Halo Waypoint''' - ''Query: Catalog'']</ref>
*The {{UNSCShip|Crassus}} is spotted by [[Jiralhanae]] hunting parties and boarded. However, after capturing the flight deck, the Jiralhanae and [[Unggoy]] attackers have difficulty pushing into the vessel's cramped interior. The resulting stalemate convinces the Jiralhanae to withdraw, settling on destroying the [[supercarrier]]'s flight tower as they depart.{{Ref/Site|Id=CFStrike|URL=https://www.halowaypoint.com/news/canon-fodder-ship-strike|Site=Halo Waypoint|Page=Canon Fodder - Ship Strike|D=22|M=04|Y=2023}}
 
'''November 19'''
*'''0630 hours''': At Free-fire Area OZONE in Arizona, UNSC flagword [[LUX]] is declared and a [[UEG]] emergency evacuation broadcast is initiated.
*'''0700 hours''': The UNSC uses nuclear weapons against multiple shielded Covenant positions.{{Ref/Reuse|lootcrate2}}


===December===
===December===
[[File:H3 LesserArkConflict.png|250px|thumb|A battle rages above Installation 00.]]
[[File:H3 E3 Orbital Battle.jpg|200px|thumb|right|A battle rages above Installation 00.]]
'''December 3'''
'''December 3''' <ref> Halo Legendary Crate, Crate #2</ref>
*Admiral [[Joseph Harper]] initiates [[Operation: MARSH FLASH]] in Arizona, eliminating clusters of high-ranking Jiralhanae leadership attempting to activate an artifact at Free-fire Area OZONE, effectively bringing a close to the [[URNA Southwest Campaign]].{{Ref/Reuse|lootcrate2}}
*Admiral [[Joseph Harper]] initiate [[Operation: MARSH FLASH]]. The objective is to eliminate  eliminated clusters of Jiralhanae leadership. The mission was a success.
'''December 11'''<ref>[http://halo.xbox.com/en-us/intel/featured/video/herofortitude/bfe5038b-314a-4f17-a6be-f7613e0e3788 '''Halo Waypoint''', ''Hero-Fortitude'']</ref><ref name="vociwaypoint">[https://www.halowaypoint.com/en-us/forums/db05ce78845f4120b062c50816008e5d/topics/glasslands-complaints/4e36f9a8-65f0-4d0b-bfbc-3c9d3e4b263c/posts?page=5#post100 '''Waypoint''': ''Glasslands complaints...'' forum thread]</ref>
'''December 11'''<ref>[http://halo.xbox.com/en-us/intel/featured/video/herofortitude/bfe5038b-314a-4f17-a6be-f7613e0e3788 '''Halo Waypoint''', ''Hero-Fortitude'']</ref><ref name="vociwaypoint">[http://halo.xbox.com/Forums/yaf_postsm286574_Glasslands-complaints.aspx#post286574 '''Waypoint''': ''Glasslands complaints...'' forum thread]</ref>
*The [[Battle of Installation 00]]: The joint Sangheili-human force arrives at Installation 00 and immediately engages Truth's forces while the {{UNSCShip|Forward Unto Dawn}} deploys ground forces to locate Truth. Despite being outnumbered three to one in space, the separatist fleet makes short work of the Covenant space forces. After locating Truth via the Cartographer, the separatist-UNSC alliance launches an assault on the Ark's [[Forerunner Citadel|Citadel]] where Truth intends to activate the Halo Array. At the same time the former Covenant city ship High Charity arrives from slipspace and crashes on the Ark. Debris spread from the city-ship helps spread a new Flood infestation on the Ark. The Sangheili and UNSC finish off the last stand of the Covenant's resistance, consisting of two Scarabs and many other ground forces, in [[Battle of the Citadel|a large battle]] before the Citadel. 
*The [[Battle of Installation 00]]: The joint Sangheili-human force arrives at Installation 00 and immediately engages Truth's forces while the {{UNSCship|Forward Unto Dawn}} deploys ground forces to locate Truth. Despite being outnumbered three to one in space, the separatist fleet makes short work of the Covenant space forces. After locating Truth, the separatist-UNSC alliance launches an assault on the Ark's [[Forerunner Citadel|Citadel]] where Truth intends to activate the Halo Array. At the same time the former Covenant city ship High Charity arrives from slipspace and crashes on the Ark. Debris spread from the city-ship helps spread a new Flood infestation on the Ark.
[[File:TruthDeath-large.jpg|250px|thumb|The death of Truth and the Covenant's end.]]
*Miranda Keyes is killed when she attempts to rescue Johnson from Truth. With Truth moments away from activating the Halo array, John-117 and the Arbiter temporarily ally themselves with the Flood and storm the Citadel. They shut down the Halo array, and the Arbiter executes Truth, finally ending the Human-Covenant War. The Flood immediately turn against John-117 and 'Vadam, but the pair escape.  Soon after, it is discovered that the Ark's foundry has created [[Installation 04B|a replacement]] for the destroyed Installation 04. Realizing that the ring could be used to fire a tactical pulse which would eliminate the Flood infestation, John-117 decides to light it. In order to do so, he enters the ruins of High Charity and recovers Cortana, who still possesses the Activation Index from the original Installation 04. High Charity is destroyed in the process.
*Miranda Keyes is killed when she attempts to rescue Johnson from Truth inside of the Citadel. With Truth moments away from activating the Halo array, John-117 and the Arbiter temporarily ally themselves with the Flood and storm the Citadel. They shut down the Halo array, and the Arbiter executes Truth, finally ending the Human-Covenant War.  
*With the Index secure, John-117, Cortana, the Arbiter, and Sergeant Major Johnson travel to the replacement Installation 04, while the rest of the UNSC and Sangheili forces return to Earth on the ''Shadow of Intent''. In the control room, Johnson is killed as 343 Guilty Spark attempts to prevent him from activating the ring prematurely, as doing so would destroy the ring. John-117 destroys the monitor and begins the firing sequence for the Halo ring. John-117 and the Arbiter then escape the control room by taking Johnson's Warthog to the ''Forward Unto Dawn'', which is holding position nearby.
*'''The Human-Covenant War ends.'''
*Due to the unstable, incomplete nature of the ring as it fires, the slipspace portal collapses as the ''Dawn'' enters it, causing it to be sheared in two. Cortana and John-117 are in the hangar area at the time of the separation, and are thus left in the aft section of the ship, which falls out of Slipstream space at an unknown location, eventually drifting towards a Forerunner [[shield world]], [[Requiem]].
*The Flood immediately turn against John-117 and 'Vadam, but the pair escape.  Soon after, it is discovered that the Ark's foundry has created [[Installation 08|a replacement]] for the destroyed Installation 04. Realizing that the ring could be used to fire a tactical pulse which would eliminate the Flood infestation, John-117 decides to light it. In order to do so, he enters the ruins of High Charity and recovers Cortana, who still possesses the Activation Index from the original Installation 04. High Charity is destroyed in the process.
*With the Index secure, John-117, Cortana, the Arbiter, and Sergeant Major Johnson travel to the replacement Installation 04, while the rest of the UNSC and Sangheili forces return to Earth on the ''Shadow of Intent''. In the control room, Johnson is killed as 343 Guilty Spark attempts to prevent him from activating the ring prematurely, as doing so would destroy the ring. John-117 destroys the monitor and begins the firing sequence for the Halo ring. John-117 and the Arbiter then escape the control room by taking Johnson's Warthog to the UNSC Frigate ''Forward Unto Dawn'', which is holding position nearby.
*Due to the unstable, incomplete nature of the ring as it fires, the slipspace portal collapses as the ''Dawn'' enters it, causing it to be sheared in two. The Halo ring explodes causing heavy damage to the Ark, rending both defunct. Cortana and John-117 are in the hangar area at the time of the Frigate's separation, and are thus left in the aft section of the ship, which falls out of Slipstream space at an unknown location, eventually drifting towards a Forerunner [[shield world]], [[Requiem]].
 
'''December 14'''
*[[000 Tragic Solitude]] orders his sentinels to begin the construction of a [[containment shield]] around the remains of High Charity for quarantine.<ref name="AUT">'''Halo Wars 2''', ''[[Phoenix Logs]] — Idle Hands Part 2''</ref>
 
'''December 15'''
*John-117 has an augmentation maintenance scheduled for this date.<ref name="Background">[https://www.youtube.com/watch?v=gzBDfIX_Wik ''Youtube'', Halo: The Master Chief Collection - Wake Up, John]</ref>


'''December 23'''
'''December 23'''
*[[Arbiter]] [[Thel 'Vadam]] returns to Earth using the forward half of the ''Dawn'', crashing into the Indian Ocean.{{Ref/Reuse|vociwaypoint}}
*[[Arbiter]] [[Thel 'Vadam]] returns to Earth using the forward half of the ''Dawn'', crashing into the Indian Ocean.<ref name="vociwaypoint"/>


'''December 30'''
'''December 30'''
Line 432: Line 341:
'''December 31'''
'''December 31'''
*[[Codename: SURGEON]] filed a report to [[Codename: USUAL SUSPECTS]] entitled "[[Historical/Psychological Analysis of Cole, Preston J.]]" The report was filed from {{UNSCShip|Point of No Return}} in synchronous orbit on the far side of [[Luna]].<ref>'''[[Halo: Evolutions]]''' - ''[[The Impossible Life and the Possible Death of Preston J. Cole]]'', pages 413-487</ref>
*[[Codename: SURGEON]] filed a report to [[Codename: USUAL SUSPECTS]] entitled "[[Historical/Psychological Analysis of Cole, Preston J.]]" The report was filed from {{UNSCShip|Point of No Return}} in synchronous orbit on the far side of [[Luna]].<ref>'''[[Halo: Evolutions]]''' - ''[[The Impossible Life and the Possible Death of Preston J. Cole]]'', pages 413-487</ref>
'''Unknown date'''
*Unaware of the Human-Covenant War's conclusion not long earlier, the Spartan-II Gray Team destroy the [[Sangheili colony]] of [[Glyke]] with a [[NOVA bomb]] according to [[Operation: SUNSPEAR]]'s Condition Endgame.<ref>'''[[Halo: Envoy]]''', Chapter 4</ref>


==Battles==
==Battles==
'''[[Human-Covenant War]]'''
'''[[Human-Covenant War]]'''
*[[Battle of Beta Eridani]]
*[[Operation: FIRESIDE]]
*[[Operation: FIRESIDE]]
*[[Battle of Fumirole]]
*[[Massacre of Troy]]
*[[Battle of Sigma Octanus IV]]
*[[Battle of Sigma Octanus IV]]
*[[Fall of Reach]] ([[Template:Engagements in the Fall of Reach|Engagements]])
*Battle of Criterion
*[[Battle of Tribute]]
*[[Battle of Tribute]]
*[[Raid on Verge]]
*[[Raid on Verge]]
*[[Battle of Beta Gabriel]]
*[[Battle of Line Installation 1-4]]
*[[Battle of Line Installation 1-4]]
*[[Battle of New Jerusalem]]
*[[Battle of New Jerusalem]]
*[[Raid on Mount Haven]]
*[[Raid on Mount Haven]]
*[[Battle of Installation 04]] ([[Template:Engagements in the Battle of Installation 04|Engagements]])
*[[Fall of Reach]]
**[[Battle of Viery]]
**[[Operation: UPPER CUT]]
**[[Raid of New Alexandria]]
**[[Battle of Aszod]]
*[[Battle of Installation 04]]
**[[Raid on the Truth and Reconciliation]]
**[[Battle of the Silent Cartographer]]
*[[Massacre at Eridanus Secundus]]
*[[Massacre at Eridanus Secundus]]
*[[Operation: FIRST STRIKE]]
*[[Operation: FIRST STRIKE]]
*[[Battle of Earth]] ([[Template:Engagements in the Battle for Earth|Engagements]])
*[[Battle of Earth]]
*[[Battle of Installation 05]] ([[Template:Engagements in the Battle of Installation 05|Engagements]])
**[[Battle of Ross Island]]
*[[Onyx Conflict]]
**[[Battle of Mombasa]]
**[[Battle of Havana]]
**[[Battle of Cleveland]]
**[[Battle of Sector Six]]
**[[Battle of Voi]]
*[[Battle of the Gas Mine]]
*[[Battle of Installation 05]]
*[[Battle of Onyx]]
*[[Battle of Mare Erythraeum]]
*[[Battle of Mare Erythraeum]]
*[[Scramble onboard Forerunner Dreadnought]]
*[[Battle of Installation 00]]
*[[Battle of Installation 00]] ([[Template:Engagements in the Battle of Installation 00|Engagements]])
**[[Operation: BLIND FAITH]]
*[[Operation: SUNSPEAR]]
**[[Battle of the Citadel]]


'''The Great Schism'''
'''The Great Schism'''
*[[Fall of High Charity]]
*[[Fall of High Charity]]


'''Other/Unknown'''
'''Quarantine of the Flood'''
*[[Battle of October 10]]
*[[Battle of Installation 05]]
*[[Battle of the Gas Mine]]
**[[Battle of the Quarantine Zone]]
*[[Raid on High Charity]]


==Trivia==
==Trivia==
*All five ''Halo'' games developed by [[Bungie]] take place in the latter half of this year.
*All five ''Halo'' games produced by [[Bungie]] take place in the latter half of this year.
*The numerical value of the year is one of Bungie's many references to the number [[seven]]. Specifically, adding the numerals results in 14, which has twice the value of 7. Adding the two halves of the year separately (2+5 and 5+2) results in a pair of sevens.
*The numerical value of the year is one of Bungie's many references to the number [[seven]]. Specifically, adding the numerals results in 14, which has twice the value of 7. Adding the two halves of the year separately (2+5 and 5+2) results in a pair of sevens.
==Notes==
{{Ref/Notes}}


==Sources==
==Sources==
{{Ref/Sources|2}}
{{Reflist|2}}

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