Dominion War
- Initial conflict occurred July 30, 2373 upon entry of Cardassian Union into the Dominion (DS9: "By Inferno's Light")
- Prior to official beginning of hostilities, explicit illicit actions against Alpha Quadrant forces by the Dominion had been occurring since first contact, 2370
- December 31, 2370: Official first contact, destruction of USS Odyssey (DS9: "The Jem'Hadar")
- October 2371: Decimation of Tal Shiar and Obsidian Order (DS9: "The Die is Cast")
- Mid-December 2371: Attempt on instigating new Federation/Tzenkethi War 2371 (DS9: "The Adversary")
- Early 2372: Instigation of Federation-Klingon War 2372
- May 2372: Instigation of attempted Starfleet coup (DS9: "Homefront", "Paradise Lost")
- Prior to official beginning of hostilities, explicit illicit actions against Alpha Quadrant forces by the Dominion had been occurring since first contact, 2370
- Core forces:
- Alpha Quadrant alliance
- United Federation of Planets
- Klingon Empire
- Romulan Star Empire
- Nonaligned prior to September 2374 (DS9: "Call to Arms", "In the Pale Moonlight")
- Third Republic of Bajor (DS9: "Call to Arms")
- Unofficial ally from beginning of conflict
- Officially nonaligned prior to 2375
- Dominion forces
- The Dominion
- Cardassian Union included as member state
- Breen Confederacy
- The Dominion
- Neutral
- Miradorn (DS9: "Call to Arms")
- Tholian Assembly (DS9: "Call to Arms"; SCE Short Story: "Interphase, Book 1")
- Alpha Quadrant alliance
- December 31, 2375: Official surrender of the Dominion (DS9: "What You Leave Behind")
- Withdrawal of Dominion forces from the Alpha Quadrant proceeded shortly thereafter