5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1945 - 1947 Expulsion of Germans from former German East territories and 6 more anniversaries

14. 3. 1939 – The foundation of the Slovak State, 1. 9. 1939 - The outbreak of the WW2, 1941 - 1945 - Transports to the concentration camps, 1944 - 1945 - The liberation of Czechoslovakia, 29. 8. 1944 - April 1945 - The Slovak National Uprising and 18 more anniversaries

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, 1. 1. 1977 - Declaration of Chart 77, 16. 1. 1969 – Jan Palach´s self-immolation and 3 more anniversaries

14. 3. 1939 – The foundation of the Slovak State, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 1941 - 1945 - Transports to the concentration camps, 27. 5. 1942 - Assassination of R. Heydrich and 5 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 9. 5. 1960 - Amnesty of political prisoners, 16. 1. 1969 – Jan Palach´s self-immolation and 2 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 5. 1945 - End of WWII, 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence, 1944 - 1945 - The liberation of Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation

25. 2. 1948 - Communist coup d‘état in ČSR, 8. 5. 1945 - End of WWII, 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence, 5. 1. - 21. 8. 1968 - The Prague Spring, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

5. – 9. 5. 1945 - Prague Uprising, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age, 31. 5. – 8. 6. 1950 – Milada Horáková’s trial and 5 more anniversaries

1944 - 1945 - The liberation of Czechoslovakia, 25. 2. 1948 - Communist coup d‘état in ČSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence, 5. 1. - 21. 8. 1968 - The Prague Spring and 2 more anniversaries

1956 - student protests in Timisoara (Rumania), 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence