2544

2544 was a year in the 2540s in the 26th century.

Unknown

 * Operation: GREY VEIL takes place on Heian.
 * Sheila-065 is killed by Thel 'Lodamee in the Battle of Miridem - the battle takes place concurrently with GREY VEIL. Dr. Catherine Halsey is captured by Covenant forces who attempt to flee the system, prompting ONI to deploy a team of SPARTANs on a rescue mission.
 * After two years of battle against the Covenant, Alluvion's citizens have either died or fled. The colony is abandoned.
 * Construction of the begins.
 * The Corner, a store in the West Market of Mombasa, opens.