<Table> Germany (previously Federal Republic of Germany) <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> United Nations membership </Th> </Tr> <Tr> <Th> Membership </Th> <Td> Full member </Td> </Tr> <Tr> <Th> Since </Th> <Td> 18 September 1973 (1973 - 09 - 18) </Td> </Tr> <Tr> <Th> Former name (s) </Th> <Td> <Ul> <Li> Federal Republic of Germany (1973--1990) </Li> </Ul> </Td> </Tr> <Tr> <Th> UNSC seat </Th> <Td> Non-permanent </Td> </Tr> <Tr> <Th> Ambassador </Th> <Td> Christoph Heusgen </Td> </Tr> </Table> <Tr> <Th_colspan="2"> United Nations membership </Th> </Tr>

When did germany become a member of the un