2542

2542 was a year in the 2540s in the 26th century.

January
January 20
 * The Sangheili Asum 'Mdama is born to Jul and Raia 'Mdama on Sanghelios.

August
August 24
 * SPARTAN-III Beta Company is sent on an training exercise on the planet Onyx.

Unknown

 * The UNSC abandon Emerald Cove due to the threat of a Covenant invasion.
 * The MJOLNIR Powered Assault Armor/Mark V begins development this year.
 * Alluvion is glassed by the Covenant.
 * Molly Patel is born on Paris IV.
 * Kareem El-Hashem is born on Luna.
 * A Covenant force raids Camber and successfully destroys a UNSC fleet depot.