At midnight East Germany's Communist rulers gave permission for gates along the Wall to be opened after hundreds of people converged on crossing points.
They surged through cheering and shouting and were be met by jubilant West Berliners on the other side.
Ecstatic crowds immediately began to clamber on top of the Wall and hack large chunks out of the 28-mile (45-kilometre) barrier.
Link | Timeline of the Wall | Interactive Map of the Wall | PBS Documentary | Image: U.S. Department of State