|Centuries:||21st Century||22nd Century||23rd Century|
- 12: The United Federation of Planets is founded out of the Coalition of Planets. The founding members are Earth, Vulcan, Andoria, Tellar, Alpha Centauri, Denobula, and Rigel, all of which had entered an alliance to fight the Earth-Romulan War. The first President is Thomas Vanderbilt.
- 3: The Federation establishes their first colony on Babel.