5. 1. - 21. 8. 1968 - The Prague Spring, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

8. 5. 1945 - End of WWII, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 28. 1. 1977 - The “Anti-Charter” and 1 more anniversaries

21. 10 - 10. 12. 1941 - The Tobruk campaign, 21. 8. 1968 - Invasion of the Warsaw Pact troops

15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 8. 5. 1945 - End of WWII

29. 9. 1938 - The Munich Diktat, 12. 3. 1938 - "Anschluss" of Austria, 1944 - 1945 - The liberation of Czechoslovakia, 20. 11. – 3. 12. 1952 – Rudolf Slánský’s trial, 21. 8. 1968 - Invasion of the Warsaw Pact troops

1936 - 1938 - Great Terror in the USSR, 1. 9. 1939 - The outbreak of the WW2, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops

1941 - 1945 - Transports to the concentration camps, 1944 - 1945 - The liberation of Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops

September 1939- occupation of the entire Upper Silesia by Germany, 1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 8. 5. 1945 - End of WWII, 1948 - 1955 - Politic lawsuit in the Stalin age and 2 more anniversaries

21 September 1937 - Funeral of President Masaryk, 29. 9. 1938 - The Munich Diktat, 1. 9. 1939 - The outbreak of the WW2, 8. 5. 1945 - End of WWII, 1948 - 1955 - Politic lawsuit in the Stalin age and 4 more anniversaries

17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia