Starfleet Records. History. United Federation of Planets: Sometime around January 2155, these four species as well as others, including the Denobulans, the Rigelians, and the Coridanites, began talks to create what was later considered a direct precursor to the Federation: the Coalition of Planets. The Earth-Romulan War, which broke out in 2156 and was won by an alliance of forces from Earth, Andoria, Vulcan, and Tellar in 2160, immediately preceded the foundation of the Federation, which took p