100,300 B.C.E.
From Halopedia, the Halo Wiki
(Based on the Military Calendar)
100,300 B.C.E. 2500 2520s 2530s 2540s 2550s |
In 100,300 B.C.E (approx.), first contact is made between a Forerunner research team and the Flood on G617 g1. A military team was sent in later after contact had been lost. The Flood escaped the planet, thus beginning the 3 centuries long Forerunner-Flood War.[1]
