Timeline of the United Federation of Planets

This is a timeline of the evolution of the United Federation of Planets and the major events occurring to this interstellar federation.
==2161==
May 8: The United Federation of Planets (UFP) is founded by treaty in London, England, to go into effect June 30. Earth, Vulcan, Tellar, Andoria, and Alpha Centauri are the five founding members. The new federation has a population of around 15.145 billion sentient beings
*Vulcan: 4.1 billion
*Andoria: 1.8 billion
*Tellar Prime: 1.1 billion
*Alpha Centauri: 945 million
*Earth: 7.2 billion
Starfleet is chartered, folding the separate space agencies under command of Starfleet:
*United Earth Space Probe Agency (UESPA): Exploration
*Vulcan Space Council: R&D, Administration
*Tellar Space Administration: Operational Support and Supply
*Andorian Guard: Defense
*Alpha Centauri Space Research Council: Research / Exploration
The five divisions each have their own branch insignia, reflecting the starship assignments of the various ships.
==2162==
The human colony world Om El Donia joins the UFP as the second colony world to achieve member status.
==2171==
New Germany joins the Federation.
==2172==
Starbase 2 is built in the New Germany system, the same spherical type as Starbase 1. 
New Byzantium joins the Federation. 
==2173==
New China joins the Federation.
==2175==
New India joins the Federation.
==2176==
New Earth joins the Federation after over 10 years of debate on the topic.
==2258==
Vulcan marks the population reaching 6 billion.
==2266==
The Federation celebrates over a thousand habitable planets and 120 member worlds.
==2268==
Starfleet reorganizes the various branches under which it operates, abolishing separate command logos, utilizing the UESPA delta-inspired logo that had been developed over the last century, which was the branch with the most crew and ships.
==2370==
Tellar Prime has a population of 2.3 billion