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, 19. – 21. 11. 1968 – The three-day student strike and other displays of civil r, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation

23. 2. 1949 – Beginning the forced agricultural collectivisation, 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

29. 9. 1938 - The Munich Diktat, 8. 5. 1945 - End of WWII, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 31. 10. 1967 – Spontaneous student demonstration in Prague, 5. 1. - 21. 8. 1968 - The Prague Spring and 2 more anniversaries

1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 17. 11. 1989 - Demonstration at Národní třída

14. 3. 1939 – The foundation of the Slovak State, 1941 - 1945 - Transports to the concentration camps, 29. 8. 1944 - April 1945 - The Slovak National Uprising, 24.9.1945 - Pogrom in Topoľčany, 1948 - 1955 - Politic lawsuit in the Stalin age and 3 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 15. 3. 1939 - The Nazi occupation of ČSR, 1944 - 1945 - The liberation of Czechoslovakia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

27. 5. 1942 - Assassination of R. Heydrich, 1948 - 1955 - Politic lawsuit in the Stalin age, 25. 2. 1948 - Communist coup d‘état in ČSR, 9. 5. 1962 – An extensive amnesty, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries

1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 31. 12. 1992 Dissolution of Czechoslovakia

1968 - 1970 - Second renewal of Junák, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 6.-13. 12. 1980 Operation Krkonoše, 1989 - Third renewal of Junák, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 17. 11. 1939 – Closure of Czech universities, 12. 3. 1938 - "Anschluss" of Austria