| UNSC Timeline 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) | |
