apr 19, 2536 - Covenant forces begin to swarm into the Inner colonies
Description:
For several years the war falls into a pattern: Humans win isolated battles, typically during ground operations, but at a horrible cost. In space, the Humans are losing at a precipitous rate, and one by one, the Inner colonies fall.Added to timeline:
Date:
apr 19, 2536
Now
~ 510 years later