(covers information from several alternate timelines)
(covers information from several alternate timelines)
- This year marks the passage of the hundred years after Spock suggested to Kirk that it would be interesting to return to Ceti Alpha V "and learn what crop had sprung from the seed you had planted". (TOS: "Space Seed")
- According to Montgomery Scott, while trapped in the mirror universe, Scott stated that the field density between the prime and mirror universes was closing rapidly and, should an escape not be made within the next thirty minutes, it would not be until this year in which another attempt could be made. (TOS: "Mirror, Mirror")
- The USS Enterprise-D is severely damaged following an attempt to destroy a Borg cube and is unable to join the fleet massed at Wolf 359. William T. Riker is field promoted to captain of the Enterprise, and he chooses Borg specialist Commander Shelby as his first officer. At the Battle of Wolf 359, a total of thirty-nine Federation starships are destroyed by the Borg and eleven thousand lives are lost, including Benjamin Sisko's wife, Jennifer. Riker eventually devises a plan to recover Jean-Luc Picard, assimilated as Locutus of Borg, and the Enterprise crew use him to exploit the weakness of the Borg Collective hive mind. The cube is eventually destroyed in orbit of Earth. (TNG: "The Best of Both Worlds, Part II", "The Drumhead"; DS9: "Emissary")
- A number of individuals from both the ships at Wolf 359 and other vessels in the area are captured and assimilated by the Borg while en route to Sector 001. Some are returned to the Delta Quadrant by unknown means. (VOY: "Unity", "Infinite Regress")
- The Borg implants are removed from Picard, and he returns to command of the Enterprise, although he requires several weeks of therapy. Riker returns to his post as first officer. (TNG: "The Best of Both Worlds, Part II", "Family")
- Zio is imprisoned in the Akritirian maximum security detention facility. (VOY: "The Chute")
- The Enterprise docks at Earth Station McKinley for six weeks of repair work. While there, a defective dilithium chamber hatch is installed. (TNG: "Family", "The Drumhead")
- Commander Shelby heads the task force to build starships in order to bolster the numbers lost to the Borg cube. (TNG: "The Best of Both Worlds, Part II")
- Chancellor K'mpec of the Klingon High Council dies, causing a power struggle between Duras and Gowron. Picard is appointed as Arbiter of Succession. Duras murders Ambassador K'Ehleyr after she discovers evidence of treachery and collusion with the Romulans by the House of Duras. Worf then claims right of vengeance against Duras, killing him. (TNG: "Reunion")
- Wesley Crusher leaves the Enterprise once he is accepted into Starfleet Academy. (TNG: "Final Mission")
- Vulcan Ambassador T'Pel is discovered to be a Romulan spy. She is unwittingly returned to a Romulan vessel, with many Federation secrets, before the deception is uncovered. (TNG: "Data's Day")
- The Juarez baby is born. (TNG: "Data's Day")
- Peaceful relations are solidified between the Federation and the Cardassian Union, ending years of war and bloodshed between the two powers. The USS Phoenix, under the command of Captain Benjamin Maxwell, launches a series of illegal raids against the Cardassians, in hopes of instigating renewed hostilities. The Phoenix is tracked down by the Enterprise-D, with the assistance of Gul Macet, and eventually surrenders. (TNG: "The Wounded")
- The USS Enterprise-D is temporarily transferred near the center of the galaxy by Lieutenant Barclay, where an intelligent species known as the Cytherians is discovered. (TNG: "The Nth Degree")
- Internal tensions in the Klingon Empire affect the Federation when it is suspected a Klingon exchange officer provided information about the Galaxy-class warp core to the Romulans, causing an explosion on board the Enterprise-D. Admiral Norah Satie is sent to investigate. The explosion is later traced back to the refit earlier in the year, but Satie initiates a "witch hunt," eventually implicating Captain Picard in a massive conspiracy. (TNG: "The Drumhead")
- The Federation Archaeology Council holds its annual symposium aboard the Enterprise-D in orbit of Tagus III. Renowned names such as Switzer are in attendance. (TNG: "Qpid")
- Q takes Vash on a two-year journey through the Gamma Quadrant. (DS9: "Q-Less")
- Romulan Commander Sela orders the abduction of Lieutenant Commander Geordi La Forge and uses a brainwashing technique to instruct him to murder the Klingon governor of Krios, Vagh, and thus draw the Federation into conflict with the Klingons. The plan is thwarted, and further Romulan/Klingon cooperation uncovered. (TNG: "The Mind's Eye")
- The Klingon Civil War begins as Gowron is installed as leader of the High Council. Gowron is opposed by Duras' sisters, Lursa and B'Etor, who are supported and supplied by the Romulans. Worf resigns his Starfleet commission to fight with Gowron, and his honor within the Klingon Empire is restored. (TNG: "Redemption")
- The Trill Jadzia is joined with the Dax symbiont; Curzon, the previous host, dies. (DS9: "Dax")
- Melissa Willoughby is born. (DS9: "Treachery, Faith and the Great River")
- Benjamin Sisko attends a Starfleet briefing on Q. (DS9: "Q-Less")
- Telek R'Mor of the Romulan Astrophysical Academy dies before he can send messages he received from the stranded starship USS Voyager in the year 2371 in the Delta Quadrant. (VOY: "Eye of the Needle")
- An eclipse occurs on Banea, in the Delta Quadrant. Lidell Ren tells Tom Paris four years later that this was a turn on for her husband Tolen, and that this was the last time "she was his wife". (VOY: "Ex Post Facto")
- Julian Bashir, Erit, and Elizabeth Lense attend a New Year's Eve party at Bruce Lucier's. (DS9: "Explorers")
- Tova Veer becomes Forra Gegen's assistant. (VOY: "Distant Origin")
- Haley is brought online at the Jupiter Station Holoprogramming Center by Lewis Zimmerman. (VOY: "Life Line")
- In another quantum reality, Picard is lost in an encounter with the Borg and Riker succeeds him as captain of the Enterprise-D with Worf as his first officer. In the same alternate reality, Worf and Deanna Troi begin a romantic relationship and have their first child, a son named Eric-Christopher Rozhenko. (TNG: "Parallels")
- The Brunali homeworld is attacked by the Borg Collective. (VOY: "Child's Play")
- In a holoprogram created by Barash, William T. Riker, during the Alpha Onias expedition, is infected with the Altarian encephalitis. (TNG: "Future Imperfect")
- "Emissary" (in part)
- "Suddenly Human"
- "Remember Me"
- "Future Imperfect"
- "Final Mission"
- "The Loss"
- "Data's Day"
- "The Wounded"
- "Devil's Due"
- "First Contact"
- "Galaxy's Child"
- "Night Terrors"
- "Identity Crisis"
- "The Nth Degree"
- "The Drumhead"
- "Half a Life"
- "The Host"
- "The Mind's Eye"
- "In Theory"
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