2504

2504 was a year in the 2500s in the 26th century.

January

 * January 2: A battle takes place in the Theta Ursae Majoris System between the UNSC and the Insurrectionists.

June

 * June 19: James Cutter is sent to the Officer Candidate School where he was taught Command and Navigation.

Unknown

 * The UNSC Secrets Act of 2504 is passed.