21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1. 1. 1977 - Declaration of Chart 77

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 17.9.1939 - Soviet invasion of Poland , Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence

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, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR and 3 more anniversaries

Western Ukrainian lands within Poland 1919–1939, 17.9.1939 - Soviet invasion of Poland , 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 and 4 more anniversaries

1. 9. 1939 - The outbreak of the WW2, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, 17.9.1939 - Soviet invasion of Poland and 1 more anniversaries

Ukrainian insurgent movement 1930–1950, 1941-1944 - Nazi occupation of Ukraine, 13. 7. 1943 - Destroying of Český Malín, 1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia and 2 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia, 1941-1944 - Nazi occupation of Ukraine, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s, 1989 - The fall of the iron curtain and 5 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, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR