The Prague Spring and the Warsaw Pact Invasion of Czechoslovakia in 1968

On August 20, 1968, tens of thousands of Soviet and East European ground and air forces moved into Czechoslovakia and occupied the country in an attempt to end the 'Prague Spring' reforms and restore an orthodox Communist regime. The leader of the Soviet Communist Party, Leonid Brezhnev, was initially reluctant to use military force and tried to pressure his counterpart in Czechoslovakia, Alexander Dubcek, to crack down. But during the summer of 1968, after several months of careful deliberation