21. 8. 1968 - Invasion of the Warsaw Pact troops, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s

1. 9. 1939 - The outbreak of the WW2, 27. 5. 1942 - Assassination of R. Heydrich, 5. – 9. 5. 1945 - Prague Uprising, 8. 5. 1945 - End of WWII, 14. 3. 1953 – Klement Gottwald’s death and 7 more anniversaries

13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 8. 5. 1945 - End of WWII, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation and 8 more anniversaries

1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age and 6 more anniversaries

1962 - Cuban Missile Crisis, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 16. 1. 1969 – Jan Palach´s self-immolation , 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 8. 5. 1945 - End of WWII, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

8. 5. 1945 - End of WWII, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation

21. 8. 1968 - Invasion of the Warsaw Pact troops, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia