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

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

1941 - 1945 - Transports to the concentration camps, 1948 - 1955 - Politic lawsuit in the Stalin age, 25. 2. 1948 - Communist coup d‘état in ČSR, 20. 11. – 3. 12. 1952 – Rudolf Slánský’s trial, 22. 8. 1963 – Start of court restitutions and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia, 5. 1. - 21. 8. 1968 - The Prague Spring

21. 8. 1968 - Invasion of the Warsaw Pact troops, 25.3.1988 Candle demonstration in Bratislava, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 31. 12. 1992 Dissolution of Czechoslovakia

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

21 September 1937 - Funeral of President Masaryk, july 1938 - X. sokol slet's, 29. 9. 1938 - The Munich Diktat, 1. 9. 1939 - The outbreak of the WW2, 27. 5. 1942 - Assassination of R. Heydrich and 5 more anniversaries

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, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 7 more anniversaries

1944 - 1945 - The liberation of Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. 1989 - Demonstration at Národní třída

1945 - 1948 - First renewal of Junák, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1. 9. 1939 - The outbreak of the WW2, 8. 5. 1945 - End of WWII, Likvidace starého Mostu, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries