The founding ceremony of the Federation, in San Francisco, Earth, Alpha Quadrant in 2161.
The Constitution of the United Federation of Planets, framed in 2161, outlines the framework by which the Federation is governed for the mutual benefit and protection of member planets and individual citizens.(TNG: "The Drumhead")
All persons aboard a Federation starship are guaranteed fundamental individual rights under this historic document. (TNG: "The Perfect Mate")
- It is possible that when Constitution is mentioned, it is a reference to a larger body of documents that includes the Federation Charter, as the Charter may have been originally a more loose and less binding agreement between the governments of Earth, Vulcan, Andor, Tellar.