- The original USS Enterprise is refitted. (Star Trek: The Motion Picture)
- V'ger heads for Earth. The IKS Amar and two other vessels attempt to intercept V'ger in Klingon space, but are vaporized out of existence by the energy cloud. (Star Trek: The Motion Picture)
- Stardate 7410.2: Admiral James T. Kirk assumes command of the USS Enterprise to intercept V'ger. (Star Trek: The Motion Picture)
- Stardate 7414.1: The crew of the USS Enterprise encounter V'ger and guide it to enter its next evolutionary phase. (Star Trek: The Motion Picture)
- Tuvok undergoes training with a Vulcan master in order to control his emotions. (VOY: "Gravity")
- Starfleet radically changes their uniform by 2278. (TNG: "Cause and Effect")
- Pardek becomes a member of the Romulan Senate. (TNG: "Unification I")
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