5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1. 1. 1977 - Declaration of Chart 77, 5. 4. 1968 – Formation of KAN (Club of Active Non-partisans)

25. 2. 1948 - Communist coup d‘état in ČSR, 1948 - 1955 - Politic lawsuit in the Stalin age, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 26. 5. 1946 – The last “free” parliamentary election in Czechoslovakia

15. 3. 1939 - The Nazi occupation of ČSR, 8. 5. 1945 - End of WWII, 25. 2. 1948 - Communist coup d‘état in ČSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries

29. 9. 1938 - The Munich Diktat, 1. 9. 1939 - The outbreak of the WW2, 25. 2. 1948 - Communist coup d‘état in ČSR, 13. 8. – 31. 10. 1940 - The Battle of Britain, 1948 - 1955 - Politic lawsuit in the Stalin age

29. 8. 1944 - April 1945 - The Slovak National Uprising, January 21. 1945 Burning villages Klak, 8. 5. 1945 - End of WWII, 19. 6. – 23. 6. 1948 – The Sokol Gathering, 9. 5. 1962 – An extensive amnesty and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77

17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

21. 8. 1968 - Invasion of the Warsaw Pact troops, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 8. 5. 1945 - End of WWII

25. 2. 1948 - Communist coup d‘état in ČSR

8. 5. 1945 - End of WWII, 25. 2. 1948 - Communist coup d‘état in ČSR, 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 and 2 more anniversaries