- The star systems in the Selcundi Drema sector are mapped for the first time by Federation unmanned probes. Drema V explodes in this year. (TNG: "Pen Pals")
- The Nexus is estimated to have crossed through the galaxy this year. (Star Trek Generations)
- According to the Star Trek: The Next Generation Technical Manual, Starfleet began developing photon torpedoes during this year.