22. 6. 1941 – Operation Barbarossa - Nazi attack on 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

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

29. 9. 1938 - The Munich Diktat, 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 and 1 more anniversaries

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation

2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia), 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 3. - 6. 11. 1943 - Battle of Kiev, 1944 - 1945 - The liberation of Czechoslovakia, 1. – 2. 1. 1944 - Battle of Biela Cerkov and 1 more anniversaries

1. 9. 1939 - The outbreak of the WW2, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 8. 3. 1943 - The battle of Sokolovo, 1944 - 1945 - The liberation of Czechoslovakia, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass

29. 9. 1938 - The Munich Diktat, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 1948 - 1955 - Politic lawsuit in the Stalin age, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 17. 11. 1939 – Closure of Czech universities, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 2 more anniversaries

Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950, 17.9.1939 - Soviet invasion of Poland , 1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 3 more anniversaries

Ukrainian youth organizations in Poland 1920-1939, Ukrainian insurgent movement 1930–1950, Deportations to the Far East, Siberia and North Kazachstan 1939–1941 and 1944–1950, 1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 5 more anniversaries