29. 9. 1938 - The Munich Diktat, 5. – 9. 5. 1945 - Prague Uprising, 25. 2. 1948 - Communist coup d‘état in ČSR, 27. – 29. 6. 1967 - The 4th Congress of Czech Writers, 5. 1. - 21. 8. 1968 - The Prague Spring and 2 more anniversaries

13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks

1948 - 1955 - Politic lawsuit in the Stalin age, 21. 8. 1968 - Invasion of the Warsaw Pact troops

2. 10. 1938 - Poland's annexation of Teschen area, 17.9.1939 - Soviet invasion of Poland , 1944 - 1945 - The liberation of Czechoslovakia, 1948 Arab–Israeli War

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

15. 3. 1939 - The Nazi occupation of ČSR, 1941 - 1945 - Transports to the concentration camps, 1945 - The liberation of the concentration camps, 25. 2. 1948 - Communist coup d‘état in ČSR

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 28. 1. 1977 - The “Anti-Charter”

21. 8. 1968 - Invasion of the Warsaw Pact troops, 26 April 1986 - Chernobyl disaster, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia