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

25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia

29. 8. 1944 - April 1945 - The Slovak National Uprising, 1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 14. 3. 1939 – The foundation of the Slovak State, 29. 6. 1945 – Withdrawal from the Carpatho-Russia in favour of the USSR

1948 - 1955 - Politic lawsuit in the Stalin age, 5. 10. 1944 – 9 5 1945 – the siege of Dunkirk, 20. 11. – 3. 12. 1952 – Rudolf Slánský’s trial, 1948 Arab–Israeli War

29. 8. 1944 - April 1945 - The Slovak National Uprising, 1941 - 1945 - Transports to the concentration camps

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

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

1. 9. 1939 - The outbreak of the WW2, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

1945 - The liberation of the concentration camps, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1941 - 1945 - Transports to the concentration camps, 5. 4. 1968 – Formation of KAN (Club of Active Non-partisans)