| Year |
Event |
| 2367 |
| •1 | Gowron is confirmed as leader of the Klingon High Council. The Klingon civil war begins when the Duras family challenges Gowron. Worf resigns his Starfleet commission in order to join Gowrons side in the war.1
 |
|
| 2369 |
| •2 | The cloned Kahless becomes Emperor of the Klingon Empire.2
 |
|  |
| 2372 |
| •3 | Sisko violates orders and interferes in the Klingon-Cardassian war; a Klingon fleet attacks Deep Space Nine in retaliation. The attacks fails, but results in the subsequent Klingon-Federation conflict.3
 |
|
| 2375 |
| •4 | Worf kills Gowron in personal combat.4
 |
|