Berlin Wall and to pass it on to the coming generations as a reminder to stand up for freedom and democracy to ensure that such injustice may never happen again," entreated Mayor Wowereit. "It has been shown once again: Freedom is invincible at the end. No wall can permanently withstand the desire for freedom", proclaimed President Wulff." Notes Bibliography Further reading Berlin Wall The Berlin Wall (, ) was a guarded concrete barrier that physically and ideologically divided Berlin from 1961 to 1989. Constructed by the German Democratic Republic (GDR, East Germany), starting on 13 August 1961, the Wall cut off (by
Embassy of the United States, Berlin gabled building was leased to the U.S. by the East Germans. The building no longer retains any of its original interior features. The exterior retains much of its original stone facade. With the fall of the Berlin wall and the unification of Berlin in 1989–1990, the U.S. State Department found itself with two main office facilities in one city: a Chancery in the former East Berlin, Mitte district (U.S. Mission to East Germany), and the Clay building in the Zehlendorf district of the former West Berlin (U.S. Mission Berlin). In accordance with the reality of a unified Berlin that was