1. 9. 1939 - The outbreak of the WW2, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 8. 5. 1945 - End of WWII

1944 - 1949 Greek civil war, 21. 8. 1968 - Invasion of the Warsaw Pact troops

28.10.194 - 23.4.1941 Greek- Italian war, 6.4. - 23.4.1941 Battle of Greece, 1944 - 1949 Greek civil war, 5. 1. - 21. 8. 1968 - The Prague Spring

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1949 Greek civil war, 28.10.194 - 23.4.1941 Greek- Italian war, 6.4. - 23.4.1941 Battle of Greece

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

1940 - The Battle of France, 1944 - 1945 - The liberation of Czechoslovakia, 5. – 9. 5. 1945 - Prague Uprising, 14. 3. 1939 – The foundation of the Slovak State

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain

25. 2. 1948 - Communist coup d‘état in ČSR, 14. 3. 1939 – The foundation of the Slovak State

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, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 5. 1. - 21. 8. 1968 - The Prague Spring, 5. 4. 1968 – Formation of KAN (Club of Active Non-partisans)