5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 16. 1. 1969 – Jan Palach´s self-immolation , 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 1. 1. 1977 - Declaration of Chart 77 and 2 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 1941 - 1945 - Transports to the concentration camps, 1948 - 1955 - Politic lawsuit in the Stalin age, 20. 11. – 3. 12. 1952 – Rudolf Slánský’s trial, 22. 8. 1963 – Start of court restitutions

1951 - creation of the restricted border area along the Czechoslovakian border with Western Germany and Austria

21. 8. 1968 - Invasion of the Warsaw Pact troops, 5. 4. 1968 – Formation of KAN (Club of Active Non-partisans)

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 8. 5. 1945 - End of WWII

9.11.1989 - The fall of the Berlin Wall, 1989 - The fall of the iron curtain, 5. 1. - 21. 8. 1968 - The Prague Spring, 31. 12. 1992 Dissolution of Czechoslovakia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 2 more anniversaries

1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 8. 5. 1945 - End of WWII

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops

1948 - 1955 - Politic lawsuit in the Stalin age, 9. 5. 1962 – An extensive amnesty