21. 8. 1968 - Invasion of the Warsaw Pact troops, Perestroika, 5. 1. - 21. 8. 1968 - The Prague Spring, 1. 1. 1977 - Declaration of Chart 77, 28. 1. 1977 - The “Anti-Charter”

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

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 8. 5. 1945 - End of WWII, 18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, Vznik nezávislého odborové hnutí Solidarita, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1992 - 1995 Bosnian War

1. 1. 1977 - Declaration of Chart 77, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 18 December 2011 Václav Havel died

18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1948 - 1955 - Politic lawsuit in the Stalin age, 25. 2. 1948 - Communist coup d‘état in ČSR, 22. 8. 1963 – Start of court restitutions, 5. 1. - 21. 8. 1968 - The Prague Spring, 1. 1. 1977 - Declaration of Chart 77

29. 9. 1938 - The Munich Diktat, 1. 9. 1939 - The outbreak of the WW2, 1940 - The Battle of France, 1944 - 1945 - The liberation of Czechoslovakia, 5. 10. 1944 – 9 5 1945 – the siege of Dunkirk and 3 more anniversaries

1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1941 - 1945 - Transports to the concentration camps, 1945 - The liberation of the concentration camps, 1. 1. 1977 - Declaration of Chart 77 and 3 more anniversaries

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