Alliance (2154)
In November of 2154, an temporary alliance consisting of Andorians, Humans, Tellarites, and Vulcans, was formed by United Earth Starfleet Captain Jonathan Archer of the  to help with the rising Babel Crisis being instigated by the Romulan Star Empire. ()

This joint alliance would prove successful and would lead to the formation of the Coalition of Planets and its successor, the United Federation of Planets. ()

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Intergovernmental organizations