August 20-21, 1968
- The invasion of Prague by Soviet tanks, after Dubcek refused to back down on his liberal, democratic policies that he wished to fuse with socialism.
- - 400,000 soviet troops invaded, and Dubcek ordered all military to remain in barracks, offered NO RESISTANCE
- -Dubcek escaped death, but was booted from communist party and expelled into rural isolation
- - Czechoslovakia became one of the most repressive countries in the bloc afterwards