21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 5. 1945 - End of WWII, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 29. 8. 1944 - April 1945 - The Slovak National Uprising, 14. 3. 1939 – The foundation of the Slovak State

1944 - 1945 - The liberation of Czechoslovakia

29. 9. 1938 - The Munich Diktat, 9. - 10. 11. 1938 Crystal Night, 15. 3. 1939 - The Nazi occupation of ČSR, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 7 more anniversaries

1. 9. 1939 - The outbreak of the WW2, 8. 5. 1945 - End of WWII, 1989 - The fall of the iron curtain

1940 - 1941 - Deportations of Poles to USSR , 1944 - 1947 - Population Transfers from the Ukrainian - Polish Borderlands, 1945 - 1946 Resettlement of Poles in the "Regained lands" , 8. 5. 1945 - End of WWII

21 September 1937 - Funeral of President Masaryk, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, March 1945 - the occupation of Upper Silesia by the Soviet army and 2 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 5. 4. 1968 – Formation of KAN (Club of Active Non-partisans), 21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s and 2 more anniversaries

29. 8. 1944 - April 1945 - The Slovak National Uprising, 1944 - 1945 - The liberation of Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation

1944 - 1945 - The liberation of Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 23. 2. 1949 – Beginning the forced agricultural collectivisation

1932 - 1933 - Holodomor - Great famine in Ukraine, 1936 - 1938 - Great Terror in the USSR, 1941-1944 - Nazi occupation of Ukraine, 22. 6. 1941 – Operation Barbarossa - Nazi attack on the USSR, 8. 5. 1945 - End of WWII and 3 more anniversaries