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, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime and 2 more anniversaries

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 12 November 1989 - Canonization of Agnes of Bohemia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 13.8.1961 - Building of the Berlin Wall

8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 26.8.-11.9.1972 - Summer Games of the XX Olympiad , Munich , 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

15. 3. 1939 - The Nazi occupation of ČSR, 1944 - 1945 - The liberation of Czechoslovakia, 8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

29. 9. 1938 - The Munich Diktat, 1. 9. 1939 - The outbreak of the WW2, 30. 5. 1945 – 29. 10. 1946 - Withdrawal of Germans from Czechoslovakia, 8. 5. 1945 - End of WWII, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 2 more anniversaries

29. 8. 1944 - April 1945 - The Slovak National Uprising, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1944 - 1945 - The liberation of Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation and 2 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 1. 1969 Jan Palach´s funeral

1944 - 1945 - The liberation of Czechoslovakia, 8. 5. 1945 - End of WWII, 1950 - creation of the buffer zone between Czechoslovakia and Western Germany and Austria, 1951 - creation of the restricted border area along the Czechoslovakian border with Western Germany and Austria, 5. 1. - 21. 8. 1968 - The Prague Spring and 2 more anniversaries

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

30. 5. 1945 – 29. 10. 1946 - Withdrawal of Germans from Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age, 25. 2. 1948 - Communist coup d‘état in ČSR, 31. 5. – 8. 6. 1950 – Milada Horáková’s trial, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval and 2 more anniversaries