21. 8. 1968 - Invasion of the Warsaw Pact troops, 18. - 21. 8. 1969 – mass demonstrations against Soviet occupation, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

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

1941 - 1945 - Transports to the concentration camps

1945 - The liberation of the concentration camps, 1. 1. 1977 - Declaration of Chart 77

25. 1. 1969 Jan Palach´s funeral, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 5. 1. - 21. 8. 1968 - The Prague Spring, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 16. 1. 1969 – Jan Palach´s self-immolation

1948 - 1955 - Politic lawsuit in the Stalin age

25. 2. 1948 - Communist coup d‘état in ČSR, 1948 - 1955 - Politic lawsuit in the Stalin age

29. 9. 1938 - The Munich Diktat, 2. 10. 1938 - Poland's annexation of Teschen area, 1. 9. 1939 - The outbreak of the WW2, 1941 - 1945 - Transports to the concentration camps, 1945 - The liberation of the concentration camps

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 5. 1. - 21. 8. 1968 - The Prague Spring, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia