17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

1948 - 1955 - Politic lawsuit in the Stalin age, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 13. – 14. 4. 1950 – "Action K" – forceful concentration of Czech monks, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 5 more anniversaries

17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 5. – 9. 5. 1945 - Prague Uprising, 16. 1. 1969 – Jan Palach´s self-immolation

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 5. – 9. 5. 1945 - Prague Uprising, 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

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, 25. 2. 1948 - Communist coup d‘état in ČSR and 4 more anniversaries

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1944 - 1945 - The liberation of Czechoslovakia, 1. 1. 1977 - Declaration of Chart 77, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period and 2 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 31. 10. 1967 – Spontaneous student demonstration in Prague, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 16. 1. 1969 – Jan Palach´s self-immolation and 3 more anniversaries

25. 2. 1948 - Communist coup d‘état in ČSR, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 13.8.1961 - Building of the Berlin Wall, 1962 - Cuban Missile Crisis, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 2 more anniversaries

20. 7. 1936 - 1. 9. 1939 - civil war in Spain, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 5. 1. - 21. 8. 1968 - The Prague Spring, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period

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