21. 8. 1968 - Invasion of the Warsaw Pact troops

21. 8. 1968 - Invasion of the Warsaw Pact troops, 31. 5. – 8. 6. 1950 – Milada Horáková’s trial, 16. 1. 1969 – Jan Palach´s self-immolation

21. 8. 1968 - Invasion of the Warsaw Pact troops

8. 9. – 1. 11. 1944 - The battle of the Dukla Pass, 21. 8. 1968 - Invasion of the Warsaw Pact troops

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1990 - 1991 - Odsun sovětských vojsk z Československa

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

25. 2. 1948 - Communist coup d‘état in ČSR, 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, 27. 5. 1942 - Assassination of R. Heydrich and 4 more anniversaries

5. – 9. 5. 1945 - Prague Uprising, 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, 8. 9. 1948 – Funeral of President Edvard Beneš and 2 more anniversaries

1944 - 1945 - The liberation of Czechoslovakia, 5. – 9. 5. 1945 - Prague Uprising, 1948 - 1955 - Tito - Stalin split, 25. 2. 1948 - Communist coup d‘état in ČSR, 5. 1. - 21. 8. 1968 - The Prague Spring and 6 more anniversaries

5. – 9. 5. 1945 - Prague Uprising, 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 and 2 more anniversaries

21 September 1937 - Funeral of President Masaryk, 29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1944 - 1945 - The liberation of Czechoslovakia, 1945 - The liberation of the concentration camps and 7 more anniversaries