21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime

15. 3. 1939 - The Nazi occupation of ČSR, 1941 - 1945 - Transports to the concentration camps, 1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 5. – 9. 5. 1945 - Prague Uprising and 10 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 17. 11. 1989 - Demonstration at Národní třída and 1 more anniversaries

17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1. 1. 1977 - Declaration of Chart 77, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 29. 6. 1989 – Zveřejnění manifestu Několik vět, Palach Week

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, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime

15. 3. 1939 - The Nazi occupation of ČSR, 8. 5. 1945 - End of WWII, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation and 1 more anniversaries

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 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, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 24. 4. 1978 – Formation of Committee for the Defence of the Unjustly Prosecuted, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime and 1 more anniversaries