30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 22. 8. 1968 – Extraordinary congress (the “Vysočany Congress”) of KSČ, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia and 1 more anniversaries

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

1944 - 1945 - The liberation of Czechoslovakia, 8. 5. 1945 - End of WWII, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 8. 5. 1945 - End of WWII, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 10. 6. 1942 – Destruction of Lidice, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 25. 2. 1948 - Communist coup d‘état in ČSR, 8. 5. 1945 - End of WWII, 1944 - 1945 - The liberation of Czechoslovakia, 25. 1. 1969 Jan Palach´s funeral and 4 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