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January

 * Dr. Ruth Charet gives her inaugural address after her election as President of the Unified Earth Government.
 * The Black Ops cell Kilo-Five is formed by Admiral Margaret Orlenda Parangosky. Its members include Captain Serin Osman, Naomi-010, and several ODSTs. Because of Parangosky's distrust of the Sangheili, she sends Kilo-Five on a mission to cause insurrection between the Covenant separatists led by Thel 'Vadam and the Servants of Abiding Truth.
 * The UNSC Security Council begins the reconstruction of the colonies. Lord Hood plans a diplomatic mission to surviving UEG colonies to discuss plans for reconstruction.
 * Lord Hood arrives at Sanghelios to meet with Thel 'Vadam to formalize a treaty of peace between the humans and the Sangheili. Hood also invites Thel to attend the memorial ceremony dedicated to those who died during the war.
 * January 31: Dr. William Arthur Iqbal sends a message to his colleagues, concerning the ongoing study of Forerunner artifacts.

March

 * Andrew Del Rio is chosen as the commanding officer of the experimental ONI vessel,.
 * March 3: In a ceremony presided over by Lord Hood, a monument is erected in the Kenyan savannah near Mount Kilimanjaro to officially mark the end of the Human-Covenant War, and in remembrance of those who gave their lives in the war, including John-117, who is labeled MIA and is (presumably) posthumously promoted to Master Chief Petty Officer of the Navy. A full military detail, led by Gunnery Sergeant Pete Stacker and including PFC Chips Dubbo, deliver a 21-gun salute to the fallen. After the ceremony, Thel 'Vadam and his surviving brethren depart Earth for their homeworld, Sanghelios.