1948 - 1955 - Politic lawsuit in the Stalin age, 5. 1. - 21. 8. 1968 - The Prague Spring, 1. 1. 1977 - Declaration of Chart 77, 1989 - The fall of the iron curtain

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 1948 - 1955 - Politic lawsuit in the Stalin age, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 5. 4. 1968 – Formation of KAN (Club of Active Non-partisans) and 3 more anniversaries

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 5. 7. 1985 Pilgrimage to Velehrad, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime and 1 more anniversaries

1989 - The fall of the iron curtain, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 24. 4. 1978 – Formation of Committee for the Defence of the Unjustly Prosecuted

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

5. 1. - 21. 8. 1968 - The Prague Spring, 19. – 21. 11. 1968 – The three-day student strike and other displays of civil r, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 1. 1. 1977 - Declaration of Chart 77, 24. 4. 1978 – Formation of Committee for the Defence of the Unjustly Prosecuted and 4 more anniversaries

Palach Week, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 29. 6. 1989 – Zveřejnění manifestu Několik vět, 1. 1. 1977 - Declaration of Chart 77

1. 1. 1977 - Declaration of Chart 77, 17. 11. 1989 - Demonstration at Národní třída, Palach Week, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

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, 28. 1. 1977 - The “Anti-Charter”, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 1 more anniversaries

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