2019

January

 * 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

 * February 6: The second issue of Halo: Lone Wolf is released.
 * February 19: Halo: Renegades is set to be released.

March

 * March 6: The third issue of Halo: Lone Wolf is set to be released.

April

 * April 3: The fourth and last issue of Halo: Lone Wolf is set to be released.

May

 * May 14: Halo Omnibus Volume 2, a paperback version of Halo Library Edition Volume 2, is set to be released.

June

 * Principal photography is scheduled to begin for Halo: The Television Series.

July

 * July 5: The first day of Halo: Outpost Discovery in Orlando, Florida is scheduled.
 * July 6: The second day of Halo: Outpost Discovery in Orlando, Florida is scheduled.
 * July 7: The final day of Halo: Outpost Discovery in Orlando, Florida is scheduled.
 * July 19: The first day of Halo: Outpost Discovery in Philadelphia, Pennsylvania is scheduled.
 * July 20: The second day of Halo: Outpost Discovery in Philadelphia, Pennsylvania is scheduled.
 * July 21: The final day of Halo: Outpost Discovery in Philadelphia, Pennsylvania is scheduled.

August

 * August 2: The first day of Halo: Outpost Discovery in Chicago, Illinois is scheduled.
 * August 3: The second day of Halo: Outpost Discovery in Chicago, Illinois is scheduled.
 * August 4: The final day of Halo: Outpost Discovery in Chicago, Illinois is scheduled.
 * August 16: The first day of Halo: Outpost Discovery in Houston, Texas is scheduled.
 * August 17: The second day of Halo: Outpost Discovery in Houston, Texas is scheduled.
 * August 18: The final day of Halo: Outpost Discovery in Houston, Texas is scheduled.
 * August 30: The first day of Halo: Outpost Discovery in Anaheim, California is scheduled.
 * August 31: The second day of Halo: Outpost Discovery in Anaheim, California is scheduled.

September

 * September 1: The final day of Halo: Outpost Discovery in Anaheim, California is scheduled.

October

 * October 1: Halo: Meridian Divide is set to be released.