22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 5. 1. - 21. 8. 1968 - The Prague Spring, 1. 1. 1977 - Declaration of Chart 77, 2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia) and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 5. 7. 1985 Pilgrimage to Velehrad, 5. 1. - 21. 8. 1968 - The Prague Spring, 1. 1. 1977 - Declaration of Chart 77 and 1 more anniversaries

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

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

1944 - 1945 - The liberation of Czechoslovakia, 5. 1. - 21. 8. 1968 - The Prague Spring

1944 - 1945 - The liberation of Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops

1941 - 1945 - Transports to the concentration camps, 24. 11. 1941 - The first transport to the Theresienstadt, 20. 11. – 3. 12. 1952 – Rudolf Slánský’s trial, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia

15. 3. 1939 - The Nazi occupation of ČSR, 1941 - 1945 - Transports to the concentration camps, 24. 11. 1941 - The first transport to the Theresienstadt, 8. - 9. března 1944 - Hromadná vražda vězňů tzv. Terezínského rodinného táb, 1945 - The liberation of the concentration camps and 1 more anniversaries

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops