1936 - 1938 - Great Terror in the USSR, 1. 9. 1939 - The outbreak of the WW2, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops

1948 - 1955 - Politic lawsuit in the Stalin age, 25. 2. 1948 - Communist coup d‘état in ČSR, 31. 5. – 8. 6. 1950 – Milada Horáková’s trial, 9. 5. 1962 – An extensive amnesty, 5. 1. - 21. 8. 1968 - The Prague Spring and 4 more anniversaries

15. 3. 1939 - The Nazi occupation of ČSR, 5. – 9. 5. 1945 - Prague Uprising, 25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 1948 - 1955 - Politic lawsuit in the Stalin age and 2 more anniversaries

1951 - creation of the restricted border area along the Czechoslovakian border with Western Germany and Austria

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, 20. 11. – 3. 12. 1952 – Rudolf Slánský’s trial, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 31. 12. 1992 Dissolution of Czechoslovakia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 8. 5. 1945 - End of WWII

UGСС in the Underground 1946-1989, 25. 1. 1969 Jan Palach´s funeral, 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, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 17. 11. 1989 - Demonstration at Národní třída

1. 9. 1939 - The outbreak of the WW2, 5. – 9. 5. 1945 - Prague Uprising, 1944 - 1945 - The liberation of Czechoslovakia, 1941 - 1945 - Transports to the concentration camps, 2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia)