Category:Timeline

The Timeline of the Halo Universe (In the UNSC Military Calendar).

Halo 2 & Halo: Ghosts of Onyx
October 20, 2552 October 21, 2552
 * Trial of the Arbiter
 * The Heretic
 * The Armory
 * First Battle of Earth
 * Cairo Station
 * Outskirts
 * Metropolis
 * Battle of the Gas Mine
 * The Arbiter
 * The Oracle
 * Battle of Installation 05
 * Delta Halo
 * Regret
 * Changing of the Guard
 * Sacred Icon
 * Quarantine Zone
 * Covenant Civil War
 * Gravemind
 * Uprising
 * High Charity
 * The Great Journey
 * '''Second Battle of Earth