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

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

25. 2. 1948 - Communist coup d‘état in ČSR, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 13. 7. 1943 - Destroying of Český Malín, 1. 9. 1939 - The outbreak of the WW2

29. 8. 1944 - April 1945 - The Slovak National Uprising, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass

1932 - 1933 - Holodomor - Great famine in Ukraine, 8 January 1941 - 27 January 1944 Siege of Leningrad, 1944 - 1945 - The liberation of Czechoslovakia, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, Ukraine in 1986–1991 and 2 more anniversaries

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia

17.9.1939 - Soviet invasion of Poland , 1941-1944 - Nazi occupation of Ukraine, 13. 7. 1943 - Destroying of Český Malín, 1944 - 1945 - The liberation of Czechoslovakia, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR and 2 more anniversaries

17.9.1939 - Soviet invasion of Poland , 1941-1944 - Nazi occupation of Ukraine, 1944 - 1945 - The liberation of Czechoslovakia, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 23. 2. 1949 – Beginning the forced agricultural collectivisation

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

1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR