Akce P - likvidácia gréckokatolíckej cirkvi v Československu, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

29. 9. 1938 - The Munich Diktat, 12. 3. 1938 - "Anschluss" of Austria, 15. 3. 1939 - The Nazi occupation of ČSR, 1941 - 1945 - Transports to the concentration camps, 1945 - The liberation of the concentration camps and 4 more anniversaries

29. 9. 1938 - The Munich Diktat, 1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 19. 6. – 23. 6. 1948 – The Sokol Gathering, 5. 1. - 21. 8. 1968 - The Prague Spring and 3 more anniversaries

29. 8. 1944 - April 1945 - The Slovak National Uprising, 25. 2. 1948 - Communist coup d‘état in ČSR, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1944 - 1945 - The liberation of Czechoslovakia, 14. 3. 1939 – The foundation of the Slovak State and 2 more anniversaries

8. 5. 1945 - End of WWII, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 1950 - creation of the buffer zone between Czechoslovakia and Western Germany and Austria, 1951 - creation of the restricted border area along the Czechoslovakian border with Western Germany and Austria

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

23 February 1944 - Deportation of Chechens and Ingushs to Centrall Asia Soviet Republics, 5 January 1957 - Reestablishment of Chechen-Ingush Autonomous Soviet Socialist Republic, Chechen return from deportation, 1994 - 1996 - First Chechen war, 1999 - 2009 - Second Chechen war

The Khrushchev Thaw 1953 – 1964, The Revival of Ukrainian national culture 1989 - 1991, Ukraine in 1990-s.

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