Dominion War Part of Star Trek: Deep Space Nine Date 2373 -- 75 Location Primarily the Alpha and Gamma Quadrants of the Milky Way Result Federation Alliance victory Treaty of Bajor: Dominion withdraw to Gamma Quadrant Female Changeling is taken into custody by the Federation for war crimes. Collapse of Cardassian Union Klingon Empire greatly weakened Belligerents Federation Alliance United Federation of Planets Klingon Empire Bajoran Republic (2374 -- 75) Romulan Star Empire (2374 -- 75) Cardassian Liberation Front (2375) Cardassian Union (Battle of Cardassia only) Dominion Alliance Dominion Cardassian Union (2373 -- 75) Breen Confederacy (2375) Supported by: Son'a Commanders and leaders United Federation of Planets: Benjamin Sisko Admiral Ross Klingon Empire: Gowron (2373 - 2375) Worf (Briefly) (2375) Martok (2375) Cardassian Union: Damar (2375) Dominion: Weyoun Female Changeling Cardassian Union: Gul Dukat (2373 - 2374) Damar (2374 - 2375) Legate Broca (2375) Breen Confederacy: Thot Gor Strength 1,500 + Klingon ships holding front lines near the end of the war, rest unknown 30,000 + ships near the end of the war Casualties and losses Unknown At least 7 million Cardassian soldiers 800 million Cardassians civilians killed by Dominion
when does the dominion war start in ds9
2373 2373 2373 2373