5. 1. - 21. 8. 1968 - The Prague Spring, 1. 1. 1977 - Declaration of Chart 77

1948 - 1955 - Politic lawsuit in the Stalin age, 30. 5. 1953 – 3. 6. 1953 – The monetary reform and subsequent public upheaval, 9. 5. 1960 - Amnesty of political prisoners, 5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 1 more anniversaries

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. – 28.3.1969 – Disorders related to the celebration of Czech hockey team’s, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 1976 – The Plastic People of the Universe trial and 4 more anniversaries

15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2, 30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 5. – 9. 5. 1945 - Prague Uprising, 8. 5. 1945 - End of WWII and 6 more anniversaries

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 18 December 2011 Václav Havel died

5. 1. - 21. 8. 1968 - The Prague Spring, 1989 - The fall of the iron curtain, 21. 8. 1968 - Invasion of the Warsaw Pact troops

21. 10 - 10. 12. 1941 - The Tobruk campaign, 8. 5. 1945 - End of WWII, 25. 2. 1948 - Communist coup d‘état in ČSR, 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, 8. 5. 1945 - End of WWII, 5. 1. - 21. 8. 1968 - The Prague Spring, 1945 - 1946 Resettlement of Poles in the "Regained lands"

5. 1. - 21. 8. 1968 - The Prague Spring, 19. – 21. 11. 1968 – The three-day student strike and other displays of civil r, 21. 8. 1968 - Invasion of the Warsaw Pact troops

1948 - 1955 - Politic lawsuit in the Stalin age, 21. 6. 1949 – Execution of General Heliodor Píka, 22. 8. 1963 – Start of court restitutions, 15. 3. 1939 - The Nazi occupation of ČSR, 1. 9. 1939 - The outbreak of the WW2 and 1 more anniversaries