Examinee of the State Secret Police – enemy person

21. 8. 1968 - Invasion of the Warsaw Pact troops, 5. 7. 1985 Pilgrimage to Velehrad, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 16. 1. 1969 – Jan Palach´s self-immolation

1976 – The Plastic People of the Universe trial, 1. 1. 1977 - Declaration of Chart 77, 24. 4. 1978 – Formation of Committee for the Defence of the Unjustly Prosecuted, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

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

8. 5. 1945 - End of WWII, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 9. 5. 1960 - Amnesty of political prisoners, 21. 8. 1968 - Invasion of the Warsaw Pact troops

8. 5. 1945 - End of WWII

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 29. 6. 1989 – Zveřejnění manifestu Několik vět

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 16. 1. 1969 – Jan Palach´s self-immolation , 25. 1. 1969 Jan Palach´s funeral and 1 more anniversaries

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

1989 - The fall of the iron curtain, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 31. 12. 1992 Dissolution of Czechoslovakia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 29. 6. 1989 – Zveřejnění manifestu Několik vět

1. 9. 1939 - The outbreak of the WW2, 13. 8. – 31. 10. 1940 - The Battle of Britain