21. 8. 1968 - Invasion of the Warsaw Pact troops, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

1941-1944 - Nazi occupation of Ukraine, 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, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation

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, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries

22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 1944 - 1945 - The liberation of Czechoslovakia, 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, 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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

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

10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 2. 10. 1938 - Poland's annexation of Teschen area, 1932 - 1933 - Holodomor - Great famine in Ukraine, Western Ukrainian lands within Poland 1919–1939 and 3 more anniversaries

1. 9. 1939 - The outbreak of the WW2, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 1944 - 1945 - The liberation of Czechoslovakia, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR