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Halopedia: Timeline is a Halopedia page which lists out a timeline of the Halo universe. This page is simply a reference for general events. For detailed information, please refer to the Timeline template provided on the right.

The timeline[edit]

Forerunner era[edit]

Expanding from 15,000,000 BCE to 97,445 BCE, the Forerunner era covers events such as the rise of the space-faring prehistoric human civilization, the Forerunner-Flood war, the activation of the Halo Array, and the repopulation of the galaxy.

Rise of the Covenant era[edit]

The Rise of the Covenant era composed of events starting from 50,000 BCE to 1500 CE. The era includes the San'Shyuum Schism, the San'Shyuum-Sangheili War, the formation of the Covenant Empire, assimilation of species under the Covenant, and early human history (such as the Battle of Thermopylae).

Globalization era[edit]

The Globalization era showcases events from the 1500 CE to 2170 CE such as the pre- and early industrialized human history, formations of key nations and empires, the First and Second World Wars, formation of the United Nations, the Cold War, modern history, early human space colonies, battles and skirmishes of the Interplanetary War, the formations of the Unified Earth Government and the United Nations Space Command.

Colonial and Insurrection era[edit]

The Colonial and Insurrection era includes events spanning from 2170 CE to 2525 CE. The era includes the Odyssey mission, early human colonization of the Inner Colonies, UNSC operations against the Rebel/Insurrection forces in the Outer Colonies and the ORION Project (SPARTAN-I).

The Great War era[edit]

The Great War era focuses on the events from 2525 CE to 2553 CE. Such events covered under this era are the Human-Covenant War, the Great Schism, minor rebel conflicts, Flood outbreaks and Forerunner events.

Post-war era[edit]

The post-war era covers events taking place after the end of the Human-Covenant War. This includes the reconstruction of UEG colonies, the continuation of the Great Schism and other post-Covenant War conflicts including the engagements on Requiem and the re-awakening of the Ur-Didact, leading to a resurgence of Forerunner activity in the galaxy.