Timeline | ||
(Based on the Military Calendar)
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Real World Events[]
January[]
- January 4: Halo: Cryptum, the first novel in the Forerunner Saga by Greg Bear, was released.[1]
February[]
- February 23: The fourth issue of Halo: The Fall of Reach - Boot Camp was released.
March[]
- March 15: The Defiant map pack was released for Halo: Reach.
April[]
- April 20: The first issue of Halo: The Fall of Reach - Covenant was released.
June[]
- June 6:
- Awakening, a teaser trailer for Halo 4, was shown at E3 2011.
- Halo: Combat Evolved Anniversary was announced at E3 2011.
- Halo: Combat Evolved Anniversary Announcement Trailer was showcased during E3 2011.
- Halo: Combat Evolved Anniversary Exclusive was released on Halo Waypoint.
July[]
- July 4: Halo: The Essential Visual Guide was released.
- July 13: The second issue of Halo: The Fall of Reach - Covenant was released.
September[]
- September 7: The third issue of Halo: The Fall of Reach - Covenant was released.
- September 19: The updated version of the Halo Encyclopedia was released.
October[]
- October 18: Halo: The Great Journey: The Art of Building Worlds was released.
- October 19: The fourth issue of Halo: The Fall of Reach - Covenant was released.
- October 25: Halo: Glasslands, the first novel in the Kilo-Five trilogy by Karen Traviss, was released.
November[]
- November 15:
- Halo: Combat Evolved Anniversary was released for the Xbox 360.
- The Anniversary Map Pack DLC was released for Halo: Reach.