|2255 2256 2257 2258 2259 2260 2261|
|2220s 2230s 2240s 2250s 2260s 2270s 2280s|
|22nd century - 23rd century - 24th century|
- Vulcan (planet) is destroyed by Nero, a Romulan, using red matter (Star Trek).
- USS Coronado discovers Cestus III. (Last Unicorn Games’ All Our Yesterdays: The Time Travel Sourcebook)
- Orion female, Lara, is stolen/rescued from slavery at the age of 12 by Eric and Veronica Maximillian, she is taken in as their own and raised on a Federation colony. (Star Trek: USS Hathaway)
- A coup occurs on the planet Jericho. Millions of children and young people, known as "Netrats" are rounded up and killed. Brandi Ward is rescued by the USS Ptolemy and sent to a foster home. (Tamerlane)
- The USS Tamerlane (NCC-510) is helping the newly discovered Tapsan civilization with their warp trials when the Federation turns the system over to the Klingon Empire. The Tamerlane is the last ship to leave the system as it is turned over to the Klingon Empire to begin a nine-year occupation. (Tamerlane The Lark and the Nightingale)
- Billions of Vulcans are killed when their planet is destroyed by Nero (Star Trek).
- Hoshi Sato (mirror)'s eldest child, Jun Sato, dies, willing the Terran Empire to his grand-nephew, Charles Tucker VI, who rules as the Emperor Charles I (In Between Days: Temper, Fortune, Times of the HG Wells: You Mixed-Up Siciliano).