29. 8. 1944 - April 1945 - The Slovak National Uprising, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 21. 8. 1968 - Invasion of the Warsaw Pact troops

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

13. 8. – 31. 10. 1940 - The Battle of Britain, 1948 - 1955 - Politic lawsuit in the Stalin age, 20. 11. – 3. 12. 1952 – Rudolf Slánský’s trial, 21. 8. 1968 - Invasion of the Warsaw Pact troops

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s, 1. 1. 1977 - Declaration of Chart 77, Palach Week

21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s, 16. 1. 1969 – Jan Palach´s self-immolation , 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation

8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1944 - 1945 - The liberation of Czechoslovakia, 13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 9. 5. 1960 - Amnesty of political prisoners, 21. 8. 1968 - Invasion of the Warsaw Pact troops

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

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, 19. 6. – 23. 6. 1948 – The Sokol Gathering, 18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou

1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 25. 2. 1948 - Communist coup d‘état in ČSR, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 2 more anniversaries