| 2015 2016 2017 2018 2019 2020 2021 |
| 1980s 1990s 2000s 2010s 2020s 2030s 2040s |
| 20th century - 21st century - 22nd century |
Events
- Advancements in sublight propulsion technology make sleeper ships obsolete. (TOS: "Space Seed")
- Development of first impulse engines. (TOS novel: The Rings of Time)
- The DY-200 spaceframe uses an experimental "spinner drive" -- using a controlled singularity -- and is unsuccessful. The program is cancelled. (Federation Spaceflight Chronology, Vol. 2)
- The New United Nations creates the International Space Agency (ISA), an effort intended to coordinate combined national exploration and safe operation and transit of commercial vessels. (Star Fleet Starship Recognition Manual: Report: Ares Mission Spacecraft)
Births
- The Dax symbiont is born on Trill. (DS9: "You Are Cordially Invited")