From Halopedia, the Halo wiki
2019 featured a few novels and a comic series, as well as an interactive experience in five U.S. cities during the summer.
- January 1: Halo: Battle Born is released.
- January 2: The first issue of Halo: Lone Wolf is released.
- January 29: The hardcover edition of Halo: Collateral Damage is released.
- February 5: Microsoft Studios is re-branded as Xbox Game Studios.
- February 6: The second issue of Halo: Lone Wolf is released.
- February 19: Halo: Renegades is released.
- March 6: The third issue of Halo: Lone Wolf is released.
- March 12: Halo: The Master Chief Collection is announced for PC, alongside Halo: Reach coming to the MCC.
- April 3: The fourth and final issue of Halo: Lone Wolf is released.
- May 14: Halo Omnibus Volume 2, a paperback version of Halo Library Edition Volume 2, is released.
- June 9: Halo Infinite is featured at the E3 2019 with a new trailer.
- June 25: The hardcover edition of Halo: Lone Wolf is released.
- July 5–7: Halo: Outpost Discovery is held in Orlando, Florida.
- July 19–21: Halo: Outpost Discovery is held in Philadelphia, Pennsylvania.
- August 2–4: Halo: Outpost Discovery is held in Chicago, Illinois.
- August 16: Halo App for Windows 10 is discontinued.
- August 16–18: Halo: Outpost Discovery is held in Houston, Texas.
- August 30-September 1: Halo: Outpost Discovery is held in Anaheim, California.
- Principal photography for Halo: The Television Series begins.
- December 3: Halo: Reach becomes available to the Master Chief Collection for both Xbox One and PC/Steam, along with the start of Season 1: Noble.
- December 14: The Xbox Series X|S, Microsoft's ninth generation, is officially shown at the Game Awards 2019.
- Amazon - Battle Born (Halo)
- Comicbook: First Look at 'Lone Wolf'
- Amazon: Halo: Collateral Damage Hardcover
- PC Gamer - Xbox Game Studios rebranding signals big changes for Microsoft's focus on gaming
- Halo Waypoint - Halo Community Update: Flag Caps & Gowns
- Simon and Schuster - Halo: Renegades
- Amazon: Halo Omnibus Volume 2
- Halo Waypoint - Halo Windows App Sunsetting - 8/16/2019
- Halo Waypoint - Community Update: Spring Seasonings
- Kobo - Halo: Battle Born, Book 2