21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime

21. 8. 1968 - Invasion of the Warsaw Pact troops, 16. 1. 1969 – Jan Palach´s self-immolation , 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s, 25. 1. 1969 Jan Palach´s funeral, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period and 2 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 1944 - 1945 - The liberation of Czechoslovakia, 18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou and 2 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 1948 - 1955 - Politic lawsuit in the Stalin age, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 5. – 9. 5. 1945 - Prague Uprising and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 5. 1945 - End of WWII, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 5. 7. 1985 Pilgrimage to Velehrad, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 29. 6. 1989 – Zveřejnění manifestu Několik vět

21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 8. 5. 1945 - End of WWII, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 23. 2. 1949 – Beginning the forced agricultural collectivisation and 4 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 5. 7. 1985 Pilgrimage to Velehrad, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia