From Halopedia, the Halo wiki
- December 5: Edward Buck enlists in the UNSC Marine Corps.
- December: Madrigal is invaded and glassed by the Covenant. Survivors flee to a set of asteroids in orbit above Hesiod, dubbing the worldlets the Rubble.
- Insurrectionist factions on Talitsa officially disband due to the escalation of the Human-Covenant War.
- Construction Platform 966A is decommissioned and abandoned.
- The Battle of Hat Yai takes place either late this year or in 2529.
- The MJOLNIR Security variant is first produced by Misriah Armory.
- The Assembly Minority decides to sacrifice remote, low-population colonies in order to determine the Covenant's pattern of operation and plan effective countermeasures based on it.
- Katrina leaves her homeworld, Eridanus II.
- Halo Wars Timeline Events - 30 January 2528
- Halo Wars: Genesis
- Twitter: Halo Waypoint - Today In Halo
- Halo: The Cole Protocol, page 72
- Halo Encyclopedia, page 301 (2011)
- Halo Waypoint: Talitsa
- Halo: Ghosts of Onyx, page 51
- Halo: Evolutions, "Dirt", page 126
- Halo Encyclopedia, page 96 (2011)
- Halo: Reach, Data pad 13
- Hunt the Truth, Episode 2: BAD RECORDS