| 2120 2121 2122 2123 2124 2125 2126 |
| 2090s 2100s 2110s 2120s 2130s 2140s 2150s |
| 21st century - 22nd century - 23rd century |
Events
- The European Hegemony is formed around this year. (TNG: "Up the Long Ladder", "Attached")
- April
- 5 April: The Cochrane Foundation is reestablished as the Cochrane Institute on Alpha Centauri II on the sixtieth anniversary of Zefram Cochrane's first warp flight aboard the Phoenix. (TOS novel Federation)
- November
- 27 November: The SS Mariposa is launched from Baikonur Cosmodrome in Russia on Earth. (TNG: "Up the Long Ladder")
Births
- Jonathan Stiles is born on Titan. (ST novel: Federation; Star Trek: Paragon; Starfleet: The First Era; Star Trek: Pendragon: "That Solemn Starlight")
Deaths
Assignments and promotions
- In the mirror universe, Douglas Jay Hayes Beckett graduates from West Point on Earth. (In Between Days)