←  2266  →
A Romulan Bird-of-Prey crosses the Romulan Neutral Zone and attacks Earth outposts in this year.
Stardates:	1329.1 - 2817.6

Episodes

• TOS:
  • "The Corbomite Maneuver"
  • "Mudd's Women"
  • "The Enemy Within"
  • "The Man Trap"
  • "The Naked Time"
  • "Charlie X"
  • "Balance of Terror"
  • "What Are Little Girls Made Of?"
  • "Dagger of the Mind"
  • "Miri"
  • "The Conscience of the King"

Events

• The USS Enterprise undergoes a refit both on the outside and the inside design some time after 2265. (TOS: "Where No Man Has Gone Before", "The Corbomite Maneuver")
• Dr. Leonard McCoy replaces Dr. Mark Piper as ship's surgeon aboard the USS Enterprise, some time after 2265. (TOS: "Where No Man Has Gone Before", "The Corbomite Maneuver")
• Lieutenant Sulu transfers from staff physicist to helm officer aboard USS Enterprise. (Sulu switched from his blue sciences division Starfleet uniform to a gold command division uniform, and appeared at the helm for the rest of the original series.) (TOS: "The Corbomite Maneuver")
• Lieutenant Uhura becomes chief communications officer and Janice Rand becomes the captain's yeoman on the USS Enterprise. (TOS: "The Corbomite Maneuver")
• An accident aboard a Class J starship releases delta radiation, killing several Starfleet cadets, and severely injuring Fleet Captain Christopher Pike, confining him to a wheelchair. (There was subspace chatter about this for months prior to TOS: "The Menagerie, Part I")
• Dr. Simon Van Gelder is assigned to the Tantalus Penal Colony as associate director, serving on Tristan Adams' staff. (Prior to TOS: "Dagger of the Mind")
• Kodos the Executioner was discovered to still be alive, despite having been thought dead since 2246. While under surveillance of Enterprise Captain James Kirk, Kodos was accidentally killed by his daughter Lenore before formal charges could be brought against him for crimes committed on Tarsus IV. (TOS: "The Conscience of the King")
• A transport from Ingraham B to Deneva carries the deadly neural parasites that caused mass insanity on Ingraham B in 2265. (TOS: "Operation -- Annihilate!")
• The inhabitants of Acamar III establish peace after generations of wars. An exception are the Gatherers, who will continue to be violent for a century. (TNG: "The Vengeance Factor")
• The Redjac entity, incarnated as "Beratis", kills several women on Rigel IV. (TOS: "Wolf in the Fold")
• A Romulan ship crosses into Federation space and destroys several Earth Outpost Stations, ending over a century of Romulan isolation. This incident came to be known as the Neutral Zone Incursion. (TOS: "Balance of Terror")
• The colonists of Janus VI create a detailed series of charts for the 22 levels of the mine. These charts would later prove useful in the search for the Horta in 2267. (TOS: "The Devil in the Dark")

Notes

• This was the second year of Captain James T. Kirk's first five-year mission. (VOY: "Q2")