History of the Berlin U-Bahn began on 1 March 1985; the first section to open was between Biesdorf-Süd and Elsterwerdaer Platz. The section to Hönow was to open on 1 July 1989, just a few months before the fall of the Berlin Wall. On 9 November 1989, following months of unrest, the travel restrictions placed upon East Germans were lifted. Tens of thousands of East Berliners heard the statement live on television and flooded the border checkpoints, demanding entry into West Berlin. Jannowitzbrücke, a former ghost station, was reopened two days later as an additional crossing point. Rosenthaler Platz and Bernauer Straße on the U8
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