2510

2510 was a year in the 2510s in the 26th century.

May

 * May 28: Atriox is born on Doisac.

August

 * August 8: Dr. Catherine Halsey makes the first entry in her journal following her enlistment in ONI's service and arrival on Reach.
 * August 15: Thomas Lasky is born on Mars.
 * August 22: Edward Buck is born in New Albany, Lombard, on Draco III.

September

 * September 3: Michael Sullivan is born on Emerald Cove.
 * September 21: Kelly-087 is born on Imber.

December

 * December 1: The  is launched, completing its construction over Mars, beginning its forty-two years of service in the United Nations Space Command.
 * December 8: At 2302 hours, Doctor Catherine Halsey is given information regarding the ORION Project.
 * December 15: Carris R. Pernault, future Spartan-II S-137, is born in Irbid, Tribute in the Epsilon Eridani System.

Unknown

 * The Mark III exoskeleton is introduced, but is quickly made defunct after its initial launch, moving to Project MJOLNIR instead.
 * The structural system of the Halcyon-class light cruiser is designed by Dr. Robert McLees.

Circa 2510
These are events that are based around this year, and may not fall on this year specifically.
 * Between 2510 and 2511, the future candidates for the SPARTAN-II program are born.