Timeline | ||
(Based on the Military Calendar)
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Real-world events[]
February[]
- February 25: The Majestic map pack, the second Halo 4 downloadable content, was released.
March[]
- March 19: Halo: Silentium, the third and final novel in the Forerunner Saga by Greg Bear, was released.[1]
April[]
- April 8: The Castle map pack, the third Halo 4 downloadable content, was released.
May[]
- May 21: Halo: The Television Series was announced at the Xbox One reveal event.
June[]
- June 10: The Halo Xbox One Announcement Trailer is shown at E3 2013.
July[]
- July 18: Halo: Spartan Assault was released for Windows 8 and Windows Phone.
August[]
- August 14: Issue 1 of Halo: Initiation was released.
- August 20: The Champions Bundle was released on the Xbox Live Marketplace.
September[]
- September: McFarlane Toys/Halo 4 Series 2 figures were released to stores.
- September 11: Issue 2 of Halo: Initiation was released.
- September 16: Halo 4: The Essential Visual Guide was released in the U.S.
October[]
- October 1: Halo 4: The Essential Visual Guide was released in Europe.
- October 9: Issue 3 of Halo: Initiation was released.
- October 29: 343 Industries announced that Halo: Spartan Assault would be coming to the Xbox 360 and Xbox One in December 2013.[2]
November[]
- November 22: The Xbox One was released in thirteen selected markets.
December[]
- December 11: Issue 1 of Halo: Escalation was released.
- December 23 - Halo: Spartan Assault was released for Xbox One.