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

july 1938 - X. sokol slet's, 29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 27. 5. 1942 - Assassination of R. Heydrich, 14. 2. 1945 - Bombing of Prague and 4 more anniversaries

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, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou and 1 more anniversaries

1944 - 1945 - The liberation of Czechoslovakia, 1945 - 1948 - First renewal of Junák, 5. – 9. 5. 1945 - Prague Uprising, 13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 5. 1. - 21. 8. 1968 - The Prague Spring and 4 more anniversaries

27. 5. 1942 - Assassination of R. Heydrich, 14. 2. 1945 - Bombing of Prague , 5. – 9. 5. 1945 - Prague Uprising, 26. 5. 1946 – The last “free” parliamentary election in Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age and 7 more anniversaries

15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 27. 5. 1942 - Assassination of R. Heydrich, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 16. 1. 1969 – Jan Palach´s self-immolation and 1 more anniversaries

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

1989 - The fall of the iron curtain, 9.11.1989 - The fall of the Berlin Wall, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 1989 - The fall of the iron curtain

1944 - 1949 Greek civil war, 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, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia