31. 12. 1992 Dissolution of Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops

8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops

19. – 21. 11. 1968 – The three-day student strike and other displays of civil r, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation

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

15. 3. 1939 - The Nazi occupation of ČSR, 1944 - 1945 - The liberation of Czechoslovakia, 25. 2. 1948 - Communist coup d‘état in ČSR, 14. 3. 1953 – Klement Gottwald’s death, March 5th, 1953 - Death of Josif V. Stalin and 3 more anniversaries

30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval

1989 - The fall of the iron curtain

1. 1. 1977 - Declaration of Chart 77, 28. 1. 1977 - The “Anti-Charter”