The Klingon Empire, tired of diplomacy, expanded by force into Federation space. Early Starfleet losses did little to dissuade them from believing they could take whatever they wanted. Kharn, Supreme Warlord, designed the early campaigns.
The war's decisive Federation victory at the Battle of Axanar under Garth of Izar became required reading at Starfleet Academy.
Places & Facilities
Also known as: Klingons, the Empire, Klingon High Council
Adversary of the Federation in the Four Years War — expanded by force after abandoning diplomacy.