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January

 * January 28: Lucy-B091 is born.

November

 * November 4: Tedra Grant is born on Arcadia.

December

 * December 15: Carlo Hoya is born on Asmara.

Unknown

 * Many future SPARTAN-IIIs of Beta Company, including Tom and Min, were born this year.
 * Sadie Endesha was born this year.
 * In an attempt to create an artificial intelligence triumvirate, Dr. Halsey relocates candidates to the Sanderson Private Hospital on Beta Hydri VI in order to ensure secrecy.
 * Juliana begins to feel the effects of rampancy.