1. 9. 1939 - The outbreak of the WW2, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia

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, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 17.9.1939 - Soviet invasion of Poland and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 27. 5. 1942 - Assassination of R. Heydrich, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 29. 8. 1944 - April 1945 - The Slovak National Uprising

29. 8. 1944 - April 1945 - The Slovak National Uprising, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 29. 6. 1945 – Withdrawal from the Carpatho-Russia in favour of the USSR and 2 more anniversaries

1. 9. 1939 - The outbreak of the WW2, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 1944 - 1945 - The liberation of Czechoslovakia, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

Western Ukrainian lands within Poland 1919–1939, 1. 9. 1939 - The outbreak of the WW2, 17.9.1939 - Soviet invasion of Poland , 1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 7 more anniversaries

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 13. 7. 1943 - Destroying of Český Malín, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia

29. 8. 1944 - April 1945 - The Slovak National Uprising, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 14. 3. 1939 – The foundation of the Slovak State

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 17.9.1939 - Soviet invasion of Poland

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 25. 2. 1948 - Communist coup d‘état in ČSR, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1948 - 1955 - Politic lawsuit in the Stalin age and 3 more anniversaries