~107,445 BCE

The birth of the Flood is actually a series of events that can be traced to a time period around 10,000 years prior to the firing of the Halo Array in 97,445 BCE.

~97,455 BCE

Following the Didact’s self-imposed exile one thousand years prior after losing the political battle over the Forerunner defense plan against the Flood, the Didact is resurrected from his cryptum on Erde-Tyrene by Forerunner Manipular Bornstellar Makes Eternal Lasting, and humans Chakas and Riser.