21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 5. 1. - 21. 8. 1968 - The Prague Spring, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1989 - The fall of the iron curtain, Palach Week, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

July - septemper - Aktion Ř - forceful concentration of Czech nuns, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 5. 1945 - End of WWII, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 1989 - The fall of the iron curtain and 1 more anniversaries

29. 9. 1938 - The Munich Diktat, 9. - 10. 11. 1938 Crystal Night, 15. 3. 1939 - The Nazi occupation of ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 2 more anniversaries

1945 - The liberation of the concentration camps, 27. 1. 1945 - The liberation of the concentration camp Auschwitz, 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 and 3 more anniversaries

National Reorganization Process

5. – 9. 5. 1945 - Prague Uprising, 25. 2. 1948 - Communist coup d‘état in ČSR, 17. 11. 1989 - Demonstration at Národní třída, 28. 1. 1977 - The “Anti-Charter”, 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1. 9. 1939 - The outbreak of the WW2