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

Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950, 23.8.1939 - Molotov–Ribbentrop Pact, 1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 4 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

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

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, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval

1944 - 1945 - The liberation of Czechoslovakia, 29. 8. 1944 - April 1945 - The Slovak National Uprising, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 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, 13. 7. 1943 - Destroying of Český Malín

17.9.1939 - Soviet invasion of Poland , 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 13. 7. 1943 - Destroying of Český Malín, 1944 - 1945 - The liberation of Czechoslovakia, 8. 9. – 1. 11. 1944 - The battle of the Dukla Pass and 1 more anniversaries

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

7. 11. 1917 - October Revolution in Russia, Western Ukrainian lands within Poland 1919–1939, Deportations to the Far East, Siberia and North Kazachstan 1939–1941 and 1944–1950, 17.9.1939 - Soviet invasion of Poland , 1940 - 1941 - Deportations of Poles to USSR and 3 more anniversaries

1941-1944 - Nazi occupation of Ukraine, 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, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval and 2 more anniversaries