21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 28. 1. 1977 - The “Anti-Charter”, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

27. – 29. 6. 1967 - The 4th Congress of Czech Writers, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 1976 – The Plastic People of the Universe trial and 5 more anniversaries

28. 1. 1977 - The “Anti-Charter”, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 5. 1945 - End of WWII, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

8. 5. 1945 - End of WWII, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 28. 1. 1977 - The “Anti-Charter” and 1 more anniversaries

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 1945 - The liberation of the concentration camps, 1948 - 1955 - Politic lawsuit in the Stalin age, 20. 11. – 3. 12. 1952 – Rudolf Slánský’s trial and 4 more anniversaries

8. 5. 1945 - End of WWII, 25. 2. 1948 - Communist coup d‘état in ČSR, 28. 1. 1977 - The “Anti-Charter”

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 28. 1. 1977 - The “Anti-Charter”, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 28. 1. 1977 - The “Anti-Charter”

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”