First Galactic War (Battle for Earth: Prime)

The First Galactic War, otherwise known as the First Great War or the Great War was a military conflict involving most of the great galacitc powers. It was a galactic war cenetered in Quadrant K-23 (Centri Republic), and lasted from 5833 AC (72 MYA) to 5839 AC. It was the first Galactic War to date, and the first of its kind, with several billion casualties and most of the great powers divided into two opposing alliances: the United Galactic Dominion (Terran Empire, Skavens, Driscoans, and Corstantian Republic) and the Imperial League of