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

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, 19. – 21. 11. 1968 – The three-day student strike and other displays of civil r and 1 more anniversaries

27. 5. 1942 - Assassination of R. Heydrich, 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, 1. 1. 1977 - Declaration of Chart 77 and 2 more anniversaries

15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, Death marches 1944-1945, 30. 5. 1945 – 29. 10. 1946 - Withdrawal of Germans from Czechoslovakia and 8 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 2. 10. 1938 - Poland's annexation of Teschen area, 5. 1. - 21. 8. 1968 - The Prague Spring, 1. 1. 1977 - Declaration of Chart 77 and 3 more anniversaries

1944 - 1945 - The liberation of Czechoslovakia, 5. 1. - 21. 8. 1968 - The Prague Spring, 5. 4. 1968 – Formation of KAN (Club of Active Non-partisans), 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

27. 1. 1945 - The liberation of the concentration camp Auschwitz, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops

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, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

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, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

5. – 9. 5. 1945 - Prague Uprising, 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, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 5 more anniversaries