The most famous passage between East and West Berlin during the communist era 1945 – 1990
It was mostly a passage for embassy people.
Checkpoint Charlie has repeatedly attempted used as escape from East Germany: Some fared over while many were shot to death in the so-called “death strip” (Todesstreifen).
After German reunification was demolished checkpoint in June 1990. There is now a museum, Mauer Museum is one of Berlin’s and Germany’s most famous sights.