17.9.1939 - Soviet invasion of Poland , 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 13. 7. 1943 - Destroying of Český Malín, 1944 - 1945 - The liberation of Czechoslovakia, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass and 1 more anniversaries

1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 1944 - 1945 - The liberation of Czechoslovakia, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval and 2 more anniversaries

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 17.9.1939 - Soviet invasion of Poland , 7. 11. 1917 - October Revolution in Russia

15. 3. 1939 - The Nazi occupation of ČSR, 1945 - The liberation of the concentration camps, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

1. 9. 1939 - The outbreak of the WW2

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

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, 1948 - 1955 - Politic lawsuit in the Stalin age, 5.-10. 6. 1967 Six-Day War

8. 3. 1943 - The battle of Sokolovo, 1. – 2. 1. 1944 - Battle of Biela Cerkov, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 25. 2. 1948 - Communist coup d‘état in ČSR, 1944 - 1945 - The liberation of Czechoslovakia and 1 more anniversaries

23. 2. 1949 – Beginning the forced agricultural collectivisation, 2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia)