1. 1. 1977 - Declaration of Chart 77

5. 1. - 21. 8. 1968 - The Prague Spring, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

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, 17. 11. 1989 - Demonstration at Národní třída, 28. 1. 1977 - The “Anti-Charter” and 1 more anniversaries

14. 2. 1945 - Bombing of Prague , 21. 8. 1968 - Invasion of the Warsaw Pact troops, 5. – 9. 5. 1945 - Prague Uprising, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1945 - The liberation of the concentration camps, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1941 - 1945 - Transports to the concentration camps, 5. 4. 1968 – Formation of KAN (Club of Active Non-partisans)

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, March 5th, 1953 - Death of Josif V. Stalin, 28. 1. 1977 - The “Anti-Charter” and 2 more anniversaries

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1976 – The Plastic People of the Universe trial, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1941 - 1945 - Transports to the concentration camps, 1948 - 1955 - Politic lawsuit in the Stalin age, 25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 19. – 21. 11. 1968 – The three-day student strike and other displays of civil r and 5 more anniversaries

17. 11. 1989 - Demonstration at Národní třída, 1989 - The fall of the iron curtain, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 1976 – The Plastic People of the Universe trial, 1. 1. 1977 - Declaration of Chart 77 and 2 more anniversaries

8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 1 more anniversaries

27. 5. 1942 - Assassination of R. Heydrich, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 8. 5. 1945 - End of WWII, 29. 9. 1938 - The Munich Diktat and 12 more anniversaries