2011

==Real World Events==
===January===
*January 4: Halo: Cryptum, the first novel in the Forerunner Saga by Greg Bear, was released.Halo Waypoint: Science fiction legend Greg Bear set to explore the time of the Forerunners
===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.
==Sources==