West Berliners initially could not visit East Berlin or East Germany at all—all crossing points were closed to them between 26 August 1961 and 17 December 1963.
The date of 13 August became commonly referred to as in Germany.
The Local — Germany's News in English.
Another dramatic escape was carried out in April 1963 by , a 19-year-old civilian employee of the NVA.
Retrieved 26 September 2013.
Previously, graffiti appeared only on the western side.