25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period and 2 more anniversaries

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. 1989 - Demonstration at Národní třída, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 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 and 1 more anniversaries

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 26.8.-11.9.1972 - Summer Games of the XX Olympiad , Munich

5. – 9. 5. 1945 - Prague Uprising, 5. 1. - 21. 8. 1968 - The Prague Spring, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

15. 3. 1939 - The Nazi occupation of ČSR, 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 and 5 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 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

29. 9. 1938 - The Munich Diktat, 1. 9. 1939 - The outbreak of the WW2, 18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou, 8. 5. 1945 - End of WWII, 5. 1. - 21. 8. 1968 - The Prague Spring and 7 more anniversaries

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