21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 17.9.1939 - Soviet invasion of Poland , Western Ukrainian lands within Poland 1919–1939

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, 17.9.1939 - Soviet invasion of Poland , Western Ukrainian lands within Poland 1919–1939 and 3 more anniversaries

Ukraine in 1990-s., Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950, 1932 - 1933 - Holodomor - Great famine in Ukraine, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 8 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, 21. 8. 1968 - Invasion of the Warsaw Pact troops

21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 17.9.1939 - Soviet invasion of Poland , Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950 and 3 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 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, 17.9.1939 - Soviet invasion of Poland and 3 more anniversaries

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, Western Ukrainian lands within Poland 1919–1939, 1941-1944 - Nazi occupation of Ukraine and 1 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia, 1989 - The fall of the iron curtain, 1944 - 1947 - Population Transfers from the Ukrainian - Polish Borderlands, 13. 7. 1943 - Destroying of Český Malín and 1 more anniversaries

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, 13. 7. 1943 - Destroying of Český Malín, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 2 more anniversaries

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, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation and 3 more anniversaries