2280s (STO)
From Trekipedia
2285
- Stardate 8121.8: The Genesis Planet is formed when Khan Noonien Singh tries to use the Genesis Device as a weapon against Admiral James T. Kirk. Spock sacrifices his own life to save his shipmates. (Star Trek II: The Wrath of Khan)
- Stardate 8210.3: Spock is resurrected by the Genesis effect. The Enterprise is destroyed during the attempt to recover his reanimated body from the Genesis Planet. (Star Trek III: The Search for Spock)
- Stardate 8390.0: The former Enterprise crew travels back in time to collect a pair of Humpback whales, in an effort to rescue Earth from a probe of unknown origin. (Star Trek IV: The Voyage Home)
- In recognition for their efforts in saving Earth once again, the crew is assigned to the newly commissioned U.S.S. Enterprise NCC-1701-A. (Star Trek IV: The Voyage Home)