| 2017 2018 2019 2020 2021 2022 2023 |
| 1990s 2000s 2010s 2020s 2030s 2040s 2050s |
| 20th century - 21st century - 22nd century |
Events
- The Alpha Centauri Concordium of Planets is founded to unite the Centaurii races in the Alpha Centauri system. (Star Fleet Technical Manual, Star Trek: Pendragon)
- A robotic mission lands on Europa, a natural satellite of Jupiter in the Sol system. (Federation Spaceflight Chronology, Vol. 2)
- The Western Alliance provides the military command structure for the New United Nations, giving it extraordinary political power. (Star Fleet Starship Recognition Manual: Report #300: DY Sublight Transports)
- January
- 26 January: Three astronauts from the UNSS Lewis & Clark -- Colonel Shaun Geoffrey Christopher, Alice Fontana, and Marcus O'Herlihy -- are the first humans to land on Titan, a natural satellite of Saturn in the Sol system. (TOS: "Tomorrow is Yesterday"; Spaceflight Chronology; TOS novel: The Rings of Time; Fandom Star Trek Chronology. Star Trek: Pendragon)
Births
- 27 January
- Zefram Cochrane is born in Bozeman, Montana. (Star Trek: World War III)