Wolf 359

Wolf 359 was the site of a battle between the Starfleet of the United Federation of Planets and the Borg. Starfleet suffered heavy losses in the battle and afterwards there was much pressure to rebuild the fleet. (IDW: Assimilation²)

Behind the scenes
The Battle of Wolf 359 was a major event in the Star Trek universe which occured off-screen during the events of The Best of Both Worlds two-parter and was later seen during the first episode of Star Trek: Deep Space Nine.