The Galactic War was a major galactic conflict fought from 2622, ending abruptly in 2633 with the outbreak of the Swarm War. The war, the first major confrontation between galactic powers since the Remnant War, saw the Union of Jiralhanae Tribes, Kig-Yar Republic and later, the Democratic Unggoy Alliance, fighting against the nations of the Unified Coalition of Governments including the Unified Earth Government, Alliance of Sangheili Clans, Ve'nek Dominion and Yanme'e Conglomeration.