29. 9. 1938 - The Munich Diktat, 2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia), 14. 3. 1939 – The foundation of the Slovak State, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2 and 22 more anniversaries

17.9.1939 - Soviet invasion of Poland , 1945 - 1946 Resettlement of Poles in the "Regained lands"

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

Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950, Deportations to the Far East, Siberia and North Kazachstan 1939–1941 and 1944–1950, 17.9.1939 - Soviet invasion of Poland , 1941-1944 - Nazi occupation of Ukraine and 4 more anniversaries

Ukrainian insurgent movement 1930–1950, 1932 - 1933 - Holodomor - Great famine in Ukraine, 23.8.1939 - Molotov–Ribbentrop Pact, 17.9.1939 - Soviet invasion of Poland , 1941 - 1945 - Transports to the concentration camps and 7 more anniversaries

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, 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

22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 13. 7. 1943 - Destroying of Český Malín, 17.9.1939 - Soviet invasion of Poland , Western Ukrainian lands within Poland 1919–1939, 1941-1944 - Nazi occupation of Ukraine and 1 more anniversaries

Western Ukrainian lands within Poland 1919–1939, 17.9.1939 - Soviet invasion of Poland , 1944 - 1947 - Population Transfers from the Ukrainian - Polish Borderlands, 8. 5. 1945 - End of WWII

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