Berlin wall By adihockey Jan 1, 1945 Berlin is divided between allied powers and soviet union Jan 1, 1949 Germans strated moving to the west Jan 1, 1952 East Germany closed its border with west Germany Jun 15, 1961 Walter Ulbricht declared there would not be a wall built Aug 13, 1961 Construction of the Berlin wall begins The construction of the Berlin wall began on this date Jan 1, 1962 A 90ft barricade was added to the wall Jan 1, 1965 Concrete walls are raised and observation towers are added to the wall Jan 1, 1975 The 4 generations wall is completed Nov 9, 1989 The east gives permits to visit the west in Germany