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

1944 - 1945 - The liberation of Czechoslovakia, 1941 - 1945 - Transports to the concentration camps, 14. 3. 1939 – The foundation of the Slovak State

17. 11. 1939 – Closure of Czech universities, 1. 9. 1939 - The outbreak of the WW2, 1941 - 1945 - Transports to the concentration camps, 1941, August 27-28 - Mass murder of Jews in Kamianets Podolskyi, Death marches 1944-1945 and 6 more anniversaries

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

1941 - 1945 - Transports to the concentration camps, 14. 3. 1939 – The foundation of the Slovak State, 20. 11. – 3. 12. 1952 – Rudolf Slánský’s trial

1941 - 1945 - Transports to the concentration camps, 1945 - The liberation of the concentration camps

1945 - The liberation of the concentration camps, 8. 5. 1945 - End of WWII, 8. - 9. března 1944 - Hromadná vražda vězňů tzv. Terezínského rodinného táb

15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 8. 5. 1945 - End of WWII, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 3 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 1944 - 1949 Greek civil war