From Halopedia, the Halo wiki
2010 saw the release of Bungie's final Halo game, Halo: Reach, as well as the re-release of the first three Eric Nylund novels.
- January 2: Origins Part I was shown on Halo Waypoint.
- January 27: Issue 2 of Halo: Blood Line was released.
- February 2: The second Mythic Map Pack is released on the Xbox LIVE Marketplace.
- February 16: Halo Legends was released.
- February 24: Issue 3 of Halo: Blood Line was released.
- March 3: The Halo: Reach Multiplayer Trailer is released.
- March 24: Issue 4 of Halo: Blood Line was released.
- April 15: Microsoft discontinued all original Xbox LIVE services, including Halo 2.
- April 28:
- May 3: The Halo: Reach Multiplayer Beta is launched.
- May 20: The Halo: Reach Multiplayer Beta ends.
- June 14:
- June 16: The Halo: Reach Welcome to Firefight 2.0 Trailer is showcased at E3 2010.
- July 29: The Halo Reach "The Battle Begins" Campaign Trailer was released.
- August 3: The Tor Books reissue of Halo: The Fall of Reach is released.
- August 17: Patrol, the first part of the Remember Reach campaign, was released and shown during GamesCom 2010.
- August 23: The promotional website, Remember Reach, is fully unlocked for viewing.
- August 26:
- August 27: Spaceport, part of the Remember Reach campaign, was released.
- September: McFarlane Toy Company released the first action figures for Halo: Reach.
- September 6: An extended cut of Deliver Hope, as part of the Remember Reach campaign, was released on YouTube.
- September 14:
- September 15:
- September 24: Creation of the Monument, part of the Remember Reach campaign, was released.
- September 28: The reissue of Halo: The Flood was released.
- October 13: The reprint of Halo: The Flood is released.
- October 20: The second issue of Halo: Fall of Reach - Boot Camp is released.
- October 24: The Noble Map Pack Trailer was released.
- November 2: Volume I of the Halo: Evolutions reprint is released.
- November 24: The third issue of Halo: Fall of Reach - Boot Camp is released.
- November 30:
- The Noble Map Pack is released.
- Volume II of the Halo: Evolutions reprint is released.
- December 21: The reprint of Halo: First Strike is released.
- The Remember Reach Webfilm aired on www.rememberreach.com.