Events
- Robert April is appointed as Federation Ambassador-at-Large. (TAS: "The Counter-Clock Incident")
- According to the Star Trek Chronology, April had also ended his five-year mission aboard USS Enterprise this year.
- James Kirk is introduced to Gary Mitchell. Years later, they would become friends when cadet Mitchell attended Lieutenant Kirk's philosophy class at Starfleet Academy. (TOS: "Where No Man Has Gone Before")
- Spock enters Starfleet Academy, instead of enrolling at the Vulcan Science Academy, against Sarek's wishes. (TOS: "Journey to Babel", "The Enterprise Incident")
| 2249 | 23rd century 2250s |
2251 |