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

1944 - 1945 - The liberation of Czechoslovakia, 8. 5. 1945 - End of WWII

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s, 16. 1. 1969 – Jan Palach´s self-immolation and 3 more anniversaries

23. 2. 1949 – Beginning the forced agricultural collectivisation, 9. 5. 1960 - Amnesty of political prisoners, 21. 8. 1968 - Invasion of the Warsaw Pact troops

Perestroika, 26 April 1986 - Chernobyl disaster

8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 27. 5. 1942 - Assassination of R. Heydrich, 1944 - 1945 - The liberation of Czechoslovakia and 4 more anniversaries

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1944 - 1945 - The liberation of Czechoslovakia, The liberation of the city of Ostrava, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia and 6 more anniversaries

1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 19. 6. – 23. 6. 1948 – The Sokol Gathering

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