The Federation-Klingon Cold War was decades long conflict between the United Federation of Planets and the Klingon Empire. The conflict arose after a disastrous first contact between the powers in the early 23rd century, which led to what Spock described in 2293 as "almost seventy years of unremitting hostility". The conflict flared up from time to time; the Federation considered the Klingons to be imperialistic, while the Empire had a similar view of the Federation's continually expanding membership. Short wars broke out on several occasions, as well as a notable period of peace enforced by the Organians from the mid 2260s with the establishment of the Organian Peace Treaty. A final lasting peace was established in 2293 with the signing of the Khitomer Accords following the disastrous exp