| History of the UNSC |
|---|
| Pre-UNSC Period |
| - World War II (1939 - 1945) |
| - Creation of the United Nations (1945) |
| - Jovian Moons Campaign (2160) |
| - Rain Forest Wars (2162) |
| - Mars Campaign (2163) |
| Interplanetary War (2164-2170) |
| Inner Colony Wars (2400s) |
| Insurrection (2494 - 2537) |
| - Operation: TREBUCHET (2513 - 2524) |
| - Insurrection of Mamore (2537) |
| Human-Covenant War (2525 - 2553) |
| - Covenant Civil War (2552 - 2553) |
| Human-Promethean War (2557 -) |
| - Requiem campaign (2557 -) |
