25. 2. 1948 - Communist coup d‘état in ČSR, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 16. 1. 1969 – Jan Palach´s self-immolation , 25. 1. 1969 Jan Palach´s funeral, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 17. 11. 1989 - Demonstration at Národní třída

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

17. 11. 1989 - Demonstration at Národní třída, 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, 9. 5. 1960 - Amnesty of political prisoners and 5 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime

21. 8. 1968 - Invasion of the Warsaw Pact troops, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 1950 - creation of the buffer zone between Czechoslovakia and Western Germany and Austria