| 2260 2261 2262 2263 2264 2265 2266 |
| 2230s 2240s 2250s 2260s 2270s 2280s 2290s |
| 22nd century - 23rd century - 24th century |
Events
- A conspiracy among select Starfleet line and flag officers to foment war against the Klingon Empire is uncovered. (The Starfleet Museum: Museum Timeline)
- In the Kelvin reality, the USS Enterprise is destroyed in orbit of Altamid in an attack by Krall. (Star Trek Beyond)
- June
- 22 June: USS Accord (NCC-1842), commanded by Captain Soledad Ibañez, is lost while on deep-space mission of classified nature. (Star Trek: Accord: "USS Accord Fictional Timeline v. 1.32"; Star Trek: Shadowstar Station: Operation Blackjack)
Births
- Maria Aguinaldo is born in Daly City (south of San Francisco), North America, Terra (Sol III). (Star Trek: Avenger: "Belonging")
- Alexandra Massey is born. ("Belonging")
- October
- 5 October: Noam ben Eliezer born to Avram and Sarah ben Eliezer. (Star Trek: Shadowstar Station)
Deaths
Assignments and promotions
- Webb Ashley enters Starfleet Academy. (Star Trek: The Intrepid Adventures)
- From 2263 to 2268, Nikolai Barstow commands a five-year mission on the Larson-class destroyer USS Thermopylae. (Star Trek: Avenger timeline, 2011 revision)
- Rebecca Gallaudet transfers off the USS Constellation (NCC-1017) to study at the Starfleet Academy College of Sciences. (Star Trek: Shadowstar Station)
- Marjal Jonar graduates from Starfleet Academy. (Star Trek: The Cantabrian Expeditions)
- Lara becomes the first Orion female to enter Starfleet Academy. (Star Trek: USS Hathaway)