Halopedia:Projects/Timeline/Summary

BCE
Before the Common Era spans all events prior to what humans refer to as the "Common Era". These times saw the rise and fall of the Precursors, the Forerunners, prehistoric humanity, and the emergence of the Flood. The seminal event of this era was the activation of the Halo Array, wiping out all sentient life in the Milky Way Galaxy. The end of this era saw the formation of the early Covenant and the emergence of humanity's classical ancient civilizations.
 * Events
 * Forerunner-Precursor war (c. 10,000,000 BCE)
 * Human-Forerunner wars (107,445 BCE-106,445 BCE)
 * Forerunner-Flood war (97,745 BCE-97,445 BCE)
 * Great Purification (97,445 BCE)
 * Reintroduction (after 97,445 BCE)
 * War of Wills (2200 BCE-2100 BCE)
 * War of Beginnings (938 BCE-852 BCE)
 * The Rending (850 BCE)
 * Taming of the Lekgolo (789 BCE-784 BCE)

CE
The first two millenia of the Common Era (1 CE-2000 CE) saw humanity make great scientific strides and the Covenant incorporating various client races.
 * Events
 * Yanme'e incorporated into the Covenant. (1112)
 * Kig-Yar join the Covenant. (1342)
 * Creation of the United Nations, the predecessor to the UNSC. (1945)

21st century
In the 21st century (2001-2100), humanity began to colonize the various planets, moons, and asteroids within their solar system.

22nd century
The 22nd century (2101-2200) saw humanity embroiled in system wide wars and dealing with overpopulation.
 * Events
 * Unggoy incorporated into the Covenant in 2142.
 * Jovian Moons Campaign (2160)
 * Rainforest Wars (2162)
 * Mars Campaign (2163)
 * Interplanetary War (2164-2170)

23rd century
23rd century (2201-2300)
 * Events
 * Development of the Shaw-Fujikawa Translight Engine. (2291)

24th century
24th century (2301-2400)
 * Events
 * ORION Project first started but soon halted. (2321-2325)
 * Beginning of the Domus Diaspora. (2362)

25th century
25th century (2401-2500)
 * Events
 * Unggoy Rebellion (2462)
 * ORION Project restarted. (2491)
 * Jiralhanae join the Covenant. (2492)
 * Beginning of the Insurrection. (2494)

26th century
26th century (2501-2600)
 * Events
 * Insurrection (ongoing as of 2559)
 * End of ORION Project (2506)
 * John-117 is born. (2511)
 * SPARTAN-II program initiated. (2517)
 * Human-Covenant War (2525-2553)
 * Harvest campaign (2525-2531)
 * SPARTAN-III program begun. (2531)
 * Battle of Jericho VII (2532-2535)
 * Battle of the Rubble (2535)
 * Operation: PROMETHEUS (2537)
 * Battle of Psi Serpentis (2543)
 * Second Fall of Arcadia (2549)
 * Battle of Sigma Octanus IV (2552)
 * Fall of Reach (2552)
 * Battle of Installation 04 (2552)
 * Battle for Earth (2552)
 * Battle of Installation 05 (2552)
 * Onyx Conflict (2552)
 * Battle of Installation 00 (2552)
 * Treaty of 2552 (2552)
 * Great Schism (2552-2559)
 * SPARTAN-IV program begun. (2553)
 * Post-Covenant War conflicts (2553-)
 * Battle of Draetheus V (2554)
 * Operation: FAR STORM (2555)
 * Mission to Alpha Shard (2556)
 * Battle of Requiem (2557)
 * New Phoenix Incident (2557)
 * Created conflict (2558)
 * Second Ark Conflict (2559)