17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 25. 1. 1969 Jan Palach´s funeral, 5. 1. - 21. 8. 1968 - The Prague Spring

Deportations to the Far East, Siberia and North Kazachstan 1939–1941 and 1944–1950

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia, 10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR

22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 17.9.1939 - Soviet invasion of Poland , Western Ukrainian lands within Poland 1919–1939, 1941-1944 - Nazi occupation of Ukraine, 1943 - Conflict between Poles and Ukrainians in Eastern Galicia and Volhynia

17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks

Deportations to the Far East, Siberia and North Kazachstan 1939–1941 and 1944–1950

Deportations to the Far East, Siberia and North Kazachstan 1939–1941 and 1944–1950

Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950, 17.9.1939 - Soviet invasion of Poland , 1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR and 3 more anniversaries

1944 - 1947 - Population Transfers from the Ukrainian - Polish Borderlands