<Tr> <Th> Signed </Th> <Td> 28 June 1919 </Td> </Tr> <Tr> <Th> Location </Th> <Td> Hall of Mirrors in the Palace of Versailles in France </Td> </Tr> <Tr> <Th> Effective </Th> <Td> 10 January 1920 </Td> </Tr> <Tr> <Th> Condition </Th> <Td> Ratification by Germany and four Principal Allied Powers </Td> </Tr>

Who was involved in the signing of the treaty of versailles