A timeline of all major events in the Halo universe from the time of the Forerunners through the rule of the Created.
The flagship of the UNSC Navy and the first Infinity-class supercarrier ever constructed, the UNSC Infinity is the largest single human warship ever constructed, with a crew of over 17,000.
The Spartan-IV program was the third successful Spartan training program and the first since the end of the Human-Covenant War.
The Raid on UNSC Infinity was an attempted infiltration and commandeering of the UNSC Infinity by insurrectionist forces calling themselves the New Colonial Alliance in January 2553.
The Voi Memorial was erected in March 2553, marking the end of the Human-Covenant War and to remember all who were lost during the conflict.
Operation: JOVIAN WHISTLE was an operation executed by the UNSC 717th Xeno-Materials Exploitation Battalion to recover a Forerunner ancilla on the human colony world of Gao in the Cordoba system in the early summer 2553.
The Draco III Rebellion was an insurrectionist rebellion led by United Rebel Front leader Captain Ingridson in the city of New Albany on the colony world of Draco III in January 2554.
The Spartan-IV program was the third successful Spartan training program and the first since the end of the Human-Covenant War.
The Spartan Training Station Bombing was a terrorist attack on an orbital Spartan training facility by the United Rebel Front on March 29th, 2554.
Operation: COALPEPPER was an ONI and Spartan operation to rescue Sadie Endesha and the Huragok Quick to Adjust to whom she was assigned from the United Rebel Front on the moon of Talitsa in the Sverdlovsk system in August 2555.
The Battle of Ealen IV was an attack on peace negotiations between the Sangheili and Jiralhanae on Ealen IV in the Ealen system in March 2558.
The Ambush at Oth Lodon was an attempt by the New Colonial Alliance to destroy the UNSC Infinity and kill Admiral Hood after the failed assassination attempt at Ealen IV days earlier.
The Raid on the Biko Peace Talks was an attempted terrorist attack on peace talks between the Unified Earth Government and Sangheili on the colony world of Biko in March 2558.
