History of Berlin for a unified Germany. Loshitzky depicts the role of the Berlin Wall as a symbol of the Cold War, détente, and the collapse of the Communist regimes in Eastern Europe. She divides the history of the Wall into six major stages: the erection of the Wall (1961); the period of the "geography of fear" from the Cold War; the period of détente; the short period of glasnost and perestroika; the fall of the Wall (1989); and after the Wall. On August 13, 1961 the Communist East German government started to build a wall, physically separating West Berlin from East Berlin
Berlin-Wannsee station is that there is only Potsdam-Griebnitzsee shuttle until it was discontinued in 1962. Residents commuted only to East Berlin via the longer Berlin outer ring from Potsdam through regional express trains, and the only trains running on the Berlin–Magdeburg railway was transit traffic from the West Berlin via the GDR to West Germany and other countries. Later on, after the fall of Berlin Wall, the line was re-connected to Potsdam again. Reconstruction began in April 1991 and was completed in 1 April 1992. Between the fall of Berlin Wall and 1 April 1992, Potsdam was connected through the fastest way