15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops

Perestroika, Dissolution of the Soviet Union

1976 – The Plastic People of the Universe trial

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

27. 5. 1942 - Assassination of R. Heydrich, 18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou, 5. 1. - 21. 8. 1968 - The Prague Spring

30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 31. 12. 1992 Dissolution of Czechoslovakia

15. 3. 1939 - The Nazi occupation of ČSR, 1944 - 1945 - The liberation of Czechoslovakia, 5. – 9. 5. 1945 - Prague Uprising, 8. 5. 1945 - End of WWII, 5. 4. 1968 – Formation of KAN (Club of Active Non-partisans) and 5 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 9.11.1989 - The fall of the Berlin Wall