21. 8. 1968 - Invasion of the Warsaw Pact troops, 1990 - 1991 - Odsun sovětských vojsk z Československa, 1948 - 1955 - Politic lawsuit in the Stalin age, 5. 1. - 21. 8. 1968 - The Prague Spring, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

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

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

1944 - 1945 - The liberation of Czechoslovakia, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 8. 5. 1945 - End of WWII, 25. 2. 1948 - Communist coup d‘état in ČSR, March 5th, 1953 - Death of Josif V. Stalin and 5 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1. 1. 1977 - Declaration of Chart 77, 1990 - 1991 - Odsun sovětských vojsk z Československa, 31. 12. 1992 Dissolution of Czechoslovakia

29. 9. 1938 - The Munich Diktat, 2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia), 14. 3. 1939 – The foundation of the Slovak State, 1. 9. 1939 - The outbreak of the WW2, 1941 - 1945 - Transports to the concentration camps and 17 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 1990 - 1991 - Odsun sovětských vojsk z Československa, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 29. 8. 1944 - April 1945 - The Slovak National Uprising, 18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou, 8. 5. 1945 - End of WWII and 10 more anniversaries

21 September 1937 - Funeral of President Masaryk, 14. 3. 1939 – The foundation of the Slovak State, 1. 9. 1939 - The outbreak of the WW2, 1941 - 1945 - Transports to the concentration camps, 1944 - 1945 - The liberation of Czechoslovakia and 21 more anniversaries

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia, 10. 6. 1942 – Destruction of Lidice and 3 more anniversaries