24. 4. 1978 – Formation of Committee for the Defence of the Unjustly Prosecuted

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, 1976 – The Plastic People of the Universe trial and 2 more anniversaries

17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1. 1. 1977 - Declaration of Chart 77, 24. 4. 1978 – Formation of Committee for the Defence of the Unjustly Prosecuted, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 29. 6. 1989 – Zveřejnění manifestu Několik vět

1948 - 1955 - Politic lawsuit in the Stalin age, 31. 5. – 8. 6. 1950 – Milada Horáková’s trial, 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 and 11 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, 24. 4. 1978 – Formation of Committee for the Defence of the Unjustly Prosecuted, 5. 7. 1985 Pilgrimage to Velehrad and 4 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1. 1. 1977 - Declaration of Chart 77, 17. 11. 1989 - Demonstration at Národní třída and 5 more anniversaries

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

1. 9. 1939 - The outbreak of the WW2, 5. – 9. 5. 1945 - Prague Uprising, 25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 1944 - 1945 - The liberation of Czechoslovakia and 7 more anniversaries

22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ, 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, 24. 4. 1978 – Formation of Committee for the Defence of the Unjustly Prosecuted

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, 16. 1. 1969 – Jan Palach´s self-immolation and 3 more anniversaries