5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 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, 1944 - 1945 - The liberation of Czechoslovakia, 5. 1. - 21. 8. 1968 - The Prague Spring

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

Deportations to the Far East, Siberia and North Kazachstan 1939–1941 and 1944–1950, 5. 1. - 21. 8. 1968 - The Prague Spring

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 16. 1. 1969 – Jan Palach´s self-immolation , 25. 1. 1969 Jan Palach´s funeral, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period and 1 more anniversaries

2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia), 15. 3. 1939 - The Nazi occupation of ČSR, 18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou, 25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring and 4 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 1944 - 1945 - The liberation of Czechoslovakia and 4 more anniversaries

5. 1. - 21. 8. 1968 - The Prague Spring, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1989 - The fall of the iron curtain

1948 - 1955 - Politic lawsuit in the Stalin age, 31. 5. – 8. 6. 1950 – Milada Horáková’s trial, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1976 – The Plastic People of the Universe trial and 11 more anniversaries

1. 9. 1939 - The outbreak of the WW2, 8. 5. 1945 - End of WWII, 19. 6. – 23. 6. 1948 – The Sokol Gathering, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops