21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain

1. 1. 1977 - Declaration of Chart 77

21. 8. 1968 - Invasion of the Warsaw Pact troops, 9.11.1989 - The fall of the Berlin Wall

1. 1. 1977 - Declaration of Chart 77, 28. 1. 1977 - The “Anti-Charter”, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 17. 11. 1989 - Demonstration at Národní třída, 29. 6. 1989 – Zveřejnění manifestu Několik vět and 2 more anniversaries

5. – 9. 5. 1945 - Prague Uprising, 8. 5. 1945 - End of WWII, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain

21. 8. 1968 - Invasion of the Warsaw Pact troops, 16. 1. 1969 – Jan Palach´s self-immolation , 28. 1. 1977 - The “Anti-Charter”, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1. 1. 1977 - Declaration of Chart 77

1944 - 1945 - The liberation of Czechoslovakia, 1945 - The liberation of the concentration camps, 1989 - The fall of the iron curtain

23. 2. 1949 – Beginning the forced agricultural collectivisation, 1950 - creation of the buffer zone between Czechoslovakia and Western Germany and Austria, 1951 - creation of the restricted border area along the Czechoslovakian border with Western Germany and Austria