<Tr> <Th> Part of a series on the </Th> </Tr> <Tr> <Th> History of Berlin </Th> </Tr> <Tr> <Th> Margraviate of Brandenburg (1157--1806) </Th> </Tr> <Tr> <Th> Kingdom of Prussia (1701--1918) </Th> </Tr>

Who was involved in the berlin wall crisis