Western Ukrainian lands within Poland 1919–1939, 17.9.1939 - Soviet invasion of Poland , 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 and 3 more anniversaries

29. 8. 1944 - April 1945 - The Slovak National Uprising, 1944 - 1945 - The liberation of Czechoslovakia

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, The liberation of the city of Ostrava

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, 1944 - 1945 - The liberation of Czechoslovakia

1. 9. 1939 - The outbreak of the WW2, 5. – 9. 5. 1945 - Prague Uprising, 1944 - 1945 - The liberation of Czechoslovakia, 1941 - 1945 - Transports to the concentration camps, 2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia)

25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia, 14. 3. 1939 – The foundation of the Slovak State, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 2 more anniversaries

1944 - 1945 - The liberation of Czechoslovakia

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1944 - 1945 - The liberation of Czechoslovakia, 1. – 2. 1. 1944 - Battle of Biela Cerkov

1932 - 1933 - Holodomor - Great famine in Ukraine, 8. 5. 1945 - End of WWII, 1941-1944 - Nazi occupation of Ukraine, 26 April 1986 - Chernobyl disaster