1. 9. 1939 - The outbreak of the WW2, 17.9.1939 - Soviet invasion of Poland , 1941-1944 - Nazi occupation of Ukraine, 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, 1941-1944 - Nazi occupation of Ukraine, Reemigration of Czechs and Slovaks from Romania to Czechoslovakia (1945 - 1949), Ukraine in 1990-s., 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 2 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 6 more anniversaries

17.9.1939 - Soviet invasion of Poland , 1941-1944 - Nazi occupation of Ukraine, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia, 13. 7. 1943 - Destroying of Český Malín, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass and 2 more anniversaries

Western Ukrainian lands within Poland 1919–1939, 17.9.1939 - Soviet invasion of Poland , 1941-1944 - Nazi occupation of Ukraine, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia, 8. 5. 1945 - End of WWII

25. 2. 1948 - Communist coup d‘état in ČSR, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 17.9.1939 - Soviet invasion of Poland , Western Ukrainian lands within Poland 1919–1939 and 2 more anniversaries

1941-1944 - Nazi occupation of Ukraine, 1944 - 1947 - Population Transfers from the Ukrainian - Polish Borderlands, 8. 5. 1945 - End of WWII, Ukraine in 1986–1991

5. – 9. 5. 1945 - Prague Uprising, 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, 23. 2. 1949 – Beginning the forced agricultural collectivisation and 4 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 1989 - The fall of the iron curtain, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR and 2 more anniversaries

Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950, 1941-1944 - Nazi occupation of Ukraine, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia, 23. 4. 1943 - Vypálení Janovy Doliny and 2 more anniversaries