| 2075 2076 2077 2078 2079 2080 2081 |
| 2040s 2050s 2060s 2070s 2080s 2090s 2100s |
| 21st century - 22nd century - 23rd century |
Events[]
- Zefram Cochrane moves to Alpha Centauri II in the Alpha Centauri system. Some believe this was to escape the Optimum Movement on Earth. (Star Trek: The Original Series novel Federation)
- Humans settle the Terra Nova colony, one of Earth's first colonies outside the Sol system. (ENT: "Terra Nova")
- Colonel Adrik Thorsen, leader of the Optimal Republic of Great Britain, disappears following an encounter with Zefram Cochrane and the British Resistance at Battersea Stadium. (Star Trek: The Adventures of Argus: "Nuclear Time")