The Transit Agreement of May 1972 arranged access to and from West Berlin from West Germany (the Federal Republic of Germany (FRG)) and secured the right of West Berliners to visit East Berlin and East Germany (the German Democratic Republic (GDR)) and also secured the rights of GDR citizens to visit the FRG, but only in cases of family emergency. Boroughs of West Berlin West Berlin was the name given to the western part of Berlin between 1949 and 1990. ... East Berlin was the name given to the eastern part of Berlin between 1949 and 1990. ... GDR redirects here. ...
The Four Power Agreement on Berlin[1] was signed on 3 September 1971 by the foreign ministers of the four powers, United Kingdom, the Union of Soviet Socialist Republics, France, and the United States. ... The Basic Treaty in common usage stands for the Treaty concerning the basis of relations between the Federal Republic of Germany and the German Democratic Republic. The Basic Treaty of 1972 was part of the Ostpolitik under Federal Chancellor Willy Brandt. ...