Khitomer Khitomer was an inhabited planet located in the Khitomer system , in the Beta Quadrant . Khitomer played a vital role in the development of the Klingon - Federation alliance , being the site of the Khitomer Conference of 2293 as well as the victim of a Romulan sneak attack on the planet ' s Klingon colony in 2346 , which , in turn , emphasized the importance of the Klingon - Federation friendship . ( ; ; ) History . " In the alternate 2259 , the planet was discovered to have a Klingon colony . This event was reported in a news ticker , which was in a collection of graphics and video media that were seen on a powerwall in the offices of and at Starfleet Headquarters . " ( ) In 2293 , Khitomer was considered to be a neutral site by both the Federation and the Klingon Empire , and was located near the Romulan border . In that year , the Khitomer Conference was held at Camp Khitomer on the planet . The conference started the first full peace negotiations between the United Federation of Planets and the Klingon Empire and gave birth to the Khitomer Accords . Originally , Earth had been selected as a venue , but after Klingon chancellor Gorkon was assassinated on his way to Earth by members of the Khitomer conspiracy , new chancellor Azetbur relocated the conference to Camp Khitomer . ( ) By 2346 , a Klingon colony existed on Khitomer . On stardate 23859 . 7 , the colony fell victim to a Romulan attack . In the attack – which later became known as the Khitomer Massacre – 4 , 000 colonists were killed , among them Mogh and Ja ' rod ( ) . Only two survivors were believed to have been rescued by the ; however , a group of colonists captured by the Romulans were allowed to live and were taken to a prison camp in the Carraya sector , remaining undiscovered until 2369 . ( ) An obelisk was erected on Khitomer as a memorial . ( ) In 2369 , the " Deep Space 9 Traffic Control Database " star chart labeled the location of Khitomer within the Romulan Star Empire . ( , " okudagram " ) Some time prior to 2375 , Admiral William Ross met Chancellor Gowron at Khitomer . ( ) Appendices . Background information . The script for " Redemption " specified that the planet should be pronounced " KIT - to - mur " . However , the script for " Birthright , Part I " suggested " KIT - oh - mer " . The script for " Sins of the Father " had Kurn state to Worf that the Khitomer Outpost was " new . . . unfinished " at the time that Mogh visited . The Khitomer hall was represented by the Brandeis - Bardin Institute , located in southern California . , the primary of Khitomer , was located in the Beta Quadrant on a star chart seen in the episode } . The classified Khitomer as a M - class planet . According to the RPG sourcebook " Worlds " , Khitomer was the third planet in the Beta Guarada system . Apocrypha . The events surrounding the Khitomer Massacre were documented in the " The Lost Era " novel , " The Art of the Impossible " . During the book " Gods of Night " , Khitomer was saved from annihilation by the Borg in 2381 by a kamikaze attack by the USS " Ranger " . In " Star Trek Online " , the Klingon Empire reclaimed the Khitomer sector in 2382 during the political crisis in the Romulan Star Empire that followed Praetor Shinzon ' s death . In the mission " Turning Point " the planet was the site of a conference between the Federation , the Klingon Empire , the Romulan Star Empire , and the Romulan Republic .