Olkimanic Universial War

The Olkimanic Universal War was a war that occurred around a centrillion years ago that was started by the Kilominitic Empire when they invaded all non-kilominitic civilizations and species. The war ended in Kilominitic victory and the extinction of nearly all but five species within the Olkimanic Universe and the forced exile of the Humans, Forerunners, Protheans and Ottsels from the Olkimanic Universe and the eventually formation of the Empire of the Combine Race