<Tr> <Th> Capital </Th> <Td> Brussels (de facto) 50 ° 51 ′ N 4 ° 21 ′ E ﻿ / ﻿ 50.850 ° N 4.350 ° E ﻿ / 50.850; 4.350 </Td> </Tr> <Tr> <Th> Largest cities </Th> <Td> Paris and London </Td> </Tr> <Tr> <Th> Official languages </Th> <Td> 24 languages (show) <Ul> <Li> Bulgarian </Li> <Li> Croatian </Li> <Li> Czech </Li> <Li> Danish </Li> <Li> Dutch </Li> <Li> English </Li> <Li> Estonian </Li> <Li> Finnish </Li> <Li> French </Li> <Li> German </Li> <Li> Greek </Li> <Li> Hungarian </Li> <Li> Irish </Li> <Li> Italian </Li> <Li> Latvian </Li> <Li> Lithuanian </Li> <Li> Maltese </Li> <Li> Polish </Li> <Li> Portuguese </Li> <Li> Romanian </Li> <Li> Slovak </Li> <Li> Slovene </Li> <Li> Spanish </Li> <Li> Swedish </Li> </Ul> </Td> </Tr> <Ul> <Li> Bulgarian </Li> <Li> Croatian </Li> <Li> Czech </Li> <Li> Danish </Li> <Li> Dutch </Li> <Li> English </Li> <Li> Estonian </Li> <Li> Finnish </Li> <Li> French </Li> <Li> German </Li> <Li> Greek </Li> <Li> Hungarian </Li> <Li> Irish </Li> <Li> Italian </Li> <Li> Latvian </Li> <Li> Lithuanian </Li> <Li> Maltese </Li> <Li> Polish </Li> <Li> Portuguese </Li> <Li> Romanian </Li> <Li> Slovak </Li> <Li> Slovene </Li> <Li> Spanish </Li> <Li> Swedish </Li> </Ul>

When did germany become part of the european union