| 2165 2166 2167 2168 2169 2170 2172 |
| 2130s 2140s 2150s 2160s 2170s 2180s 2190s |
| 21st century - 22nd century - 23rd century |
Events[]
- Conestoga Station is completed, in orbit of Terra Nova. (The Romulan War audio drama "Hunting Grounds")
- The USS Horizon (NCC-176) discovers the inhabited planet Sigma Iotia II. The crew leaves behind a book, Chicago Mobs of the 1920s, which will influence the planet over the next century. (TOS: "A Piece of the Action"; Ship Recognition Manual, Volume 4: Starships of the Original Series Era)
- The USS Shenandoah (NCC-168) is lost. (The Starfleet Museum)