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, 1941-1944 - Nazi occupation of Ukraine and 1 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 8. 5. 1945 - End of WWII, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia, 1941-1944 - Nazi occupation of Ukraine, Organization of Ukrainian nationalists (1929 - 1950 рр.) and 4 more anniversaries

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

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

26 April 1986 - Chernobyl disaster

1932 - 1933 - Holodomor - Great famine in Ukraine, 1936 - 1938 - Great Terror in the USSR, 1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 8. 5. 1945 - End of WWII and 3 more anniversaries

Ukraine in 1990-s., 1936 - 1938 - Great Terror in the USSR, The Khrushchev Thaw 1953 – 1964, 21. 8. 1968 - Invasion of the Warsaw Pact troops, Ukraine in 1986–1991 and 1 more anniversaries

22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

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, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia, 8. 5. 1945 - End of WWII, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR