5. 1. - 21. 8. 1968 - The Prague Spring

17. 11. 1939 – Closure of Czech universities, 15. 3. 1939 - The Nazi occupation of ČSR, 1944 - 1945 - The liberation of Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age, 25. 2. 1948 - Communist coup d‘état in ČSR and 2 more anniversaries

23. 2. 1949 – Beginning the forced agricultural collectivisation, 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

5. 1. - 21. 8. 1968 - The Prague Spring, 19. – 21. 11. 1968 – The three-day student strike and other displays of civil r, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s, 16. 1. 1969 – Jan Palach´s self-immolation and 1 more anniversaries

1944 - 1945 - The liberation of Czechoslovakia, 5. – 9. 5. 1945 - Prague Uprising, 8. 5. 1945 - End of WWII, 19. 6. – 23. 6. 1948 – The Sokol Gathering, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval and 3 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 5. 1. - 21. 8. 1968 - The Prague Spring, 1976 – The Plastic People of the Universe trial, 1. 1. 1977 - Declaration of Chart 77

5. 1. - 21. 8. 1968 - The Prague Spring, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 17. 11. 1989 - Demonstration at Národní třída, 16. 1. 1969 – Jan Palach´s self-immolation , 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

5. 1. - 21. 8. 1968 - The Prague Spring, 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, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 1 more anniversaries

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops

13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 5. 1. - 21. 8. 1968 - The Prague Spring

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia