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

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 1. 1. 1977 - Declaration of Chart 77, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 16. 1. 1969 – Jan Palach´s self-immolation and 1 more anniversaries

Western Ukrainian lands within Poland 1919–1939, 1941-1944 - Nazi occupation of Ukraine, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation

Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950, 23.8.1939 - Molotov–Ribbentrop Pact, 17.9.1939 - Soviet invasion of Poland , 1941-1944 - Nazi occupation of Ukraine and 8 more anniversaries

10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 13. 7. 1943 - Destroying of Český Malín, 17.9.1939 - Soviet invasion of Poland , 1944 - 1947 - Population Transfers from the Ukrainian - Polish Borderlands and 2 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 13. 7. 1943 - Destroying of Český Malín, Western Ukrainian lands within Poland 1919–1939, 1941-1944 - Nazi occupation of Ukraine, Ukrainian insurgent movement 1930–1950