23. 2. 1949 – Beginning the forced agricultural collectivisation, 1989 - The fall of the iron curtain, 21. 8. 1968 - Invasion of the Warsaw Pact troops

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, Dispersal of Plastic People and DG 307 concert in Rudolfov

1989 - The fall of the iron curtain

1944 - 1945 - The liberation of Czechoslovakia, 20. 11. – 3. 12. 1952 – Rudolf Slánský’s trial, 5. 1. - 21. 8. 1968 - The Prague Spring, 1989 - The fall of the iron curtain

5. 1. - 21. 8. 1968 - The Prague Spring, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

8. 5. 1945 - End of WWII, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 1950 - creation of the buffer zone between Czechoslovakia and Western Germany and Austria, 1951 - creation of the restricted border area along the Czechoslovakian border with Western Germany and Austria