Key
Timeline
| Date | ||||||
|---|---|---|---|---|---|---|
2552 | ||||||
September | ||||||
| ... | ||||||
| September 19 | The Pillar of Autumn (Halo: Combat Evolved) | |||||
| Halo (Halo: Combat Evolved) | ||||||
| The Truth and Reconciliation (Halo: Combat Evolved) | ||||||
| September 20 | The Silent Cartographer (Halo: Combat Evolved) | |||||
| Assault on the Control Room (Halo: Combat Evolved) | ||||||
| 343 Guilty Spark (Halo: Combat Evolved) | ||||||
| The Library (Halo: Combat Evolved) | ||||||
| September 21 | Two Betrayals (Halo: Combat Evolved) | |||||
| Keyes (Halo: Combat Evolved) | ||||||
| The Maw (Halo: Combat Evolved) | ||||||
| ... | ||||||
October | ||||||
| ... | ||||||
| October 20 | The Heretic (Halo 2) | |||||
| The Armory (Halo 2) | ||||||
| Cairo Station (Halo 2) | ||||||
| Outskirts (Halo 2) |
Operation A: Orphic Spear (Halo: Spartan Strike) | |||||
| Metropolis (Halo 2) |
Prepare to Drop (Halo 3: ODST) | |||||
| Tayari Plaza (Halo 3: ODST) | ||||||
| Uplift Reserve (Halo 3: ODST) | ||||||
| Kizingo Boulevard (Halo 3: ODST) | ||||||
| ONI Alpha Site (Halo 3: ODST) | ||||||
| NMPD HQ (Halo 3: ODST) | ||||||
| Kikowani Station (Halo 3: ODST) | ||||||
| Mombasa Streets (Halo 3: ODST) | ||||||
| Data Hive (Halo 3: ODST) | ||||||
| October 21 | Coastal Highway (Halo 3: ODST) | |||||