| Name |
Description |
| Earth-Romulan war [1] |
Fought with primitive atomic weapons and without any visual communication between the two sides. The war was fought sometime in the 2150s or 2160s and was one of the factors which led to the founding of the Federation. [1] |
| Ekosian-Zeon war [2] |
War in which the Ekosians attempted to exterminate the Zeons in 2268. The war was caused by cultural contamination introduced by Federation scientist John Gill, who patterened Ekosian society after Earth's Nazi party. [2] |
| Eminiar-Vendikar war [3] |
Interplanetary conflict which lasted for some five hundred years. The two sides resorted to fighting the war entirely via computer in order to prevent the destructive physical effects of real battles; casualties would voluntarily report to disintergration chambers. [3] |
| Ennis-Nol'Ennis war [4] |
Conflict fought in the Gamma Quadrant. The dates are uncertain. Some of the combatants on both sides were imprisoned on a moon with nanonic technology to keep them alive forever in a permanent state of war, as a warning to others. [4] |
| Erselrope wars [5] |
Conflict fought prior to 2364. The combatants are unknown, but the planet Minos supplied both sides with weapons in the conflict. [5] |
| Eugenics Wars [6] |
Fought on Earth in the 1990s when genetically engineered superhumans seized power across a large portion of the world. Whole populations were bombed out of existence in the war. [6] |
