2015

==Real-world events==
===January===
* January 18: The Halo 5: Guardians multiplayer beta ended.
*January 28: Issue #14 of Halo: Escalation was released.
===February===
*February 25: Issue #15 of Halo: Escalation was released.
===March===
* March 2: Halo: New Blood was released digitally.Halo Waypoint - Canon Fodder - Novel Ideas
*March 17: Halo: Nightfall was released on DVD and Blu-ray.
*March 22: Hunt the Truth Season 1 began.
*March 26: Issue #16 of Halo: Escalation was released.
*March 30: Both All Hail and The Cost, as part of the Hunt the Truth campaign, were released.
===April===
*April 16
**Halo: Spartan Strike was released.Halo Waypoint - Halo: Spartan Strike released
**Halo: Spartan Assault was released for iOS.
*April 22: Issue #17 of Halo: Escalation was released.
===May===
*May: Halo 3: ODST and Remnant were added to Halo: The Master Chief Collection.Halo Waypoint - Blogs - A Thank You to Our Fans, from Bonnie Ross
*May 27: Issue #18 of Halo: Escalation was released.
===June===
*June 14: Hunt the Truth Season 1 ended.
*June 15: The Halo 5: Guardians campaign was showcased at E3 2015.
*June 16: Halo: Hunters in the Dark was released.
*June 24: Issue #19 of Halo: Escalation was released.
===July===
*July 27: Halo: Saint's Testimony was released digitally.
*July 29: Issue #20 of Halo: Escalation was released.
===August===
*August 4: The Halo Wars 2 Announce Teaser was shown at Gamescom 2015.
*August 26: Issue #21 of Halo: Escalation was released.
===September===
*September 15: Halo: Last Light was released.
*September 22: Hunt the Truth Season 2 began.
*September 23: Issue #22 of Halo: Escalation was released.
===October===
*27 October 27:
**Halo 5: Guardians was released.IGN - Halo 5 Release Date Announced
**Halo: The Fall of Reach Animated Series was released.
**The Art of Halo 5: Guardians was released.
**Halo 5: Guardians Official Game Guide was released.
*October 28: Issue #23 of Halo: Escalation was released.
===November===
*November 12: The Xbox 360 version of Halo: Spartan Assault becomes backward compatible on the Xbox One.
*November 25: Issue #24 of Halo: Escalation was released.
===December===
*December 7: Halo: Shadow of Intent was released digitally.
*December 17: Halo: Reach becomes backward compatible on the Xbox One.
===Unknown Date===
* Spring: Halo Online entered closed beta stage.Halo Waypoint - Blogs - Halo Online Closed Beta Launching in Russia
==Sources==
Category:Timeline