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

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1944 - 1945 - The liberation of Czechoslovakia, 1945 - 1948 - First renewal of Junák, 8. 5. 1945 - End of WWII and 4 more anniversaries

1. 9. 1939 - The outbreak of the WW2, 1941 - 1945 - Transports to the concentration camps, 1944 - 1945 - The liberation of Czechoslovakia, 1945 - The liberation of the concentration camps, 8. 5. 1945 - End of WWII and 4 more anniversaries

1. 9. 1939 - The outbreak of the WW2, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 2.11.1938 - First Vienna Award (Hungarian annexation of Carpathian Ruthenia and South Slovakia)

1948 - 1955 - Politic lawsuit in the Stalin age, 31. 5. – 8. 6. 1950 – Milada Horáková’s trial, 31. 10. 1967 – Spontaneous student demonstration in Prague, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 1. 1969 Jan Palach´s funeral and 3 more anniversaries

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

1941 - 1945 - Transports to the concentration camps, 1944 - 1945 - The liberation of Czechoslovakia, 1945 - The liberation of the concentration camps, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1941 - 1945 - Transports to the concentration camps, 1944 - 1945 - The liberation of 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 2 more anniversaries

15. 3. 1939 - The Nazi occupation of ČSR, 8. 5. 1945 - End of WWII, 1948 - 1955 - Politic lawsuit in the Stalin age, 25. 2. 1948 - Communist coup d‘état in ČSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation and 4 more anniversaries

1948 - 1955 - Politic lawsuit in the Stalin age, March 5th, 1953 - Death of Josif V. Stalin, 9. 5. 1960 - Amnesty of political prisoners, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 3 more anniversaries

29. 9. 1938 - The Munich Diktat, 1944 - 1945 - The liberation of Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 21. 8. 1968 - Invasion of the Warsaw Pact troops