Guidon Space Pontificate

The Guidon Space Pontificate, or Guidon Pontificate, was the Guidon member state in the United Federation of Planets by the 2360s. (SS TNG (Meet with Triumph and Disaster))

History
In 2363, a large group of Guidons were in attendance at the commissioning ceremony of the USS Enterprise (NCC-1701-D). (SS TNG (Meet with Triumph and Disaster))

Alternate timeline
In an alternate timeline were the Vulcans remained a violent and emotional species, the Guidon Space Pontificate was a supermassive interstellar state in the Beta Quadrant that bordered the Klingon Empire.

In 2293, the Interstellar Union intelligence service found out that the Klingon Empire had acquired non-aggression treaties with the Gorn Hegemony, the Guidon Pontificate, and the Holy Order of the Kinshaya.