Western Ukrainian lands within Poland 1919–1939, Ukrainian insurgent movement 1930–1950, 23.8.1939 - Molotov–Ribbentrop Pact, 1. 9. 1939 - The outbreak of the WW2, 17.9.1939 - Soviet invasion of Poland and 5 more anniversaries

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 5. 4. 1968 – Formation of KAN (Club of Active Non-partisans)

8. 5. 1945 - End of WWII, Studentské pochody na Pražský hrad

1944 - 1945 - The liberation of Czechoslovakia, 1941 - 1945 - Transports to the concentration camps, 8. 5. 1945 - End of WWII

10. 7. 1946 – Agreement on Volhynian Czechs option with the USSR, Ukrainian insurgent movement 1930–1950

1. 9. 1939 - The outbreak of the WW2, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia)

8. 5. 1945 - End of WWII, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia

1941 - 1945 - Transports to the concentration camps, 1944 - 1945 - The liberation of Czechoslovakia, 1945 - The liberation of the concentration camps, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

29. 8. 1944 - April 1945 - The Slovak National Uprising, 1944 - 1945 - The liberation of Czechoslovakia, 1941 - 1945 - Transports to the concentration camps, 14. 3. 1939 – The foundation of the Slovak State