<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (March 2015) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (March 2015) (Learn how and when to remove this template message) </Td> </Tr> <Table> United Federation of Planets <Tr> <Td_colspan="2"> <Ul> <Li> UFP </Li> <Li> The Federation </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> The flag of the United Federation of Planets </Td> </Tr> <Tr> <Th> Founded </Th> <Td> 2161 </Td> </Tr> <Tr> <Th> Capital (s) </Th> <Td> <P> San Francisco Paris </P> Earth, Sol System, Sector 001, Alpha Quadrant </Td> </Tr> <Tr> <Th> Legislature </Th> <Td> Federation Council </Td> </Tr> <Tr> <Th> Currency </Th> <Td> Federation Credit </Td> </Tr> <Tr> <Th> Affiliation </Th> <Td> <Ul> <Li> Starfleet </Li> <Li> Various </Li> </Ul> </Td> </Tr> </Table> <Tr> <Td_colspan="2"> <Ul> <Li> UFP </Li> <Li> The Federation </Li> </Ul> </Td> </Tr>

When was the united federation of planets formed