- Spock decides to abandon his plan to join the Vulcan Science Academy in favor of joining Starfleet. (Star Trek)
- Sarek becomes estranged with his son for the next eighteen years. (TOS: "Journey to Babel")
- Charles Evans is born. (TOS: "Charlie X")
- Joanna McCoy, daughter of Leonard McCoy, is born. (TAS: "The Survivor")
- According to the Star Trek: Star Charts, pg. 53, Risa was admitted into the United Federation of Planets in this year.