<Table> United Nations Security Council <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> UN Security Council Chamber in New York City </Td> </Tr> <Tr> <Th> Abbreviation </Th> <Td> UNSC </Td> </Tr> <Tr> <Th> Formation </Th> <Td> 1945 </Td> </Tr> <Tr> <Th> Type </Th> <Td> Principal Organ </Td> </Tr> <Tr> <Th> Legal status </Th> <Td> Active </Td> </Tr> <Tr> <Th> Head </Th> <Td> Council President Sacha Llorenty Bolivia </Td> </Tr> <Tr> <Th> Website </Th> <Td> un.org/en/sc </Td> </Tr> <Tr> <Td_colspan="2"> <P> </P> Permanent members: 5 seats (China, France, Russia, United Kingdom, United States) Temporary members: 10 seats </Td> </Tr> </Table> <Tr> <Td_colspan="2"> UN Security Council Chamber in New York City </Td> </Tr>

When was the united nations security council formed