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

September 1939- occupation of the entire Upper Silesia by Germany, 1. 9. 1939 - The outbreak of the WW2, 1944 - 1945 - The liberation of Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation, July - septemper - Aktion Ř - forceful concentration of Czech nuns

23. 2. 1949 – Beginning the forced agricultural collectivisation, 12 November 1989 - Canonization of Agnes of Bohemia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

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

29. 9. 1938 - The Munich Diktat, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1944 - 1945 - The liberation of Czechoslovakia and 3 more anniversaries

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 23. 2. 1949 – Beginning the forced agricultural collectivisation

23. 2. 1949 – Beginning the forced agricultural collectivisation, 23. 10. 1956 - Hungarian revolution of 1956 and fightings for independence

15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 8. 5. 1945 - End of WWII, 23. 2. 1949 – Beginning the forced agricultural collectivisation, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries

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

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