Earth-Romulan War
Before the War
- Initial conflict considered as officially beginning July 22, 2155, upon destruction of Calder II science station and attacks on Alpha Centauri III and Tarod IX
- Prior aggression begun at first contact between United Earth and Romulan Star Empire
- April 17, 2152: First contact, unnamed system, collision by Enterprise NX-01 with cloaked Romulan minefield (ENT: "Minefield")
- Mid-November 2154: Failed attempt at provoking strife between various Sol-local powers through covert attacks by telepresence drone technology (ENT: "Babel One", "United", "The Aenar")
- February-May 2155: United Earth covert operations intended to derail Romulan warp 7 project (ENT: The Good That Men Do)
- February 23, 2155: Warp suicide run by Romulan vessel on Coridan to cut off Coalition access to dilithium (ENT: The Good That Men Do)
- July 15, 2155: Destruction of ECS Horizon during initial telecapture experiments (ENT Novel: Kobayashi Maru)
- Prior aggression begun at first contact between United Earth and Romulan Star Empire
- Conflict initially involved full Coalition forces, but vulnerability of non-UE navies to Romulan telecapture led to withdrawal by late-2155; thus usually considered and referred to as the Earth-Romulan War (ENT Novel: Beneath the Raptor's Wing)
Core forces
Allied forces
United Earth
Major Events
July 22, 2155
- First non-covert action against Earth/Coalition forces
- Attack on Alpha Centauri III, Calder II, Tarod IX; attempt at capturing Enterprise NX-01 in Gamma Hydra sector via telecapture technology through attack on SS Kobayashi Maru (ENT Novel: Kobayashi Maru, Beneath the Raptor's Wing)
- Results
October 16, 2155
- Attack on Deneva (ENT Novel: Beneath the Raptor's Wing)
- Results
- Destruction of Deneva Colony
- Coalition losses: TSC Miracht; USS Yeager
2160
- Official surrender of the Romulan Star Empire (ENT Novel: To Brave the Storm)
- Establishment of Romulan Neutral Zone (ENT Novel: To Brave the Storm; TOS: "Balance of Terror")
- General withdrawal of Romulan diplomatic and military influence in surrounding space until mid-2260s (VAN Novel: Summon the Thunder; TOS: "Balance of Terror")