17. 11. 1989 - Demonstration at Národní třída, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 4 more anniversaries

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

17. 11. 1939 – Closure of Czech universities, 1941 - 1945 - Transports to the concentration camps

1941 - 1945 - Transports to the concentration camps, 17. 11. 1939 – Closure of Czech universities

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. 1939 – Closure of Czech universities, 27. 5. 1942 - Assassination of R. Heydrich, 13.-15.2.1945 Bombing of Dresden