5. 1. - 21. 8. 1968 - The Prague Spring, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 31. 12. 1992 Dissolution of Czechoslovakia

1956 - student protests in Timisoara (Rumania), 1989 - The fall of the iron curtain

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 1990 - 1991 - Odsun sovětských vojsk z Československa, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 19. – 21. 11. 1968 – The three-day student strike and other displays of civil r and 1 more anniversaries

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 1989 - The fall of the iron curtain

1989 - The fall of the iron curtain, 10.11.1989 - The Transition from communism to democracy in Bulgaria

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 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, 23. 2. 1949 – Beginning the forced agricultural collectivisation

14. 3. 1939 – The foundation of the Slovak State, 1944 - 1945 - The liberation of Czechoslovakia, 1948 - 1955 - Politic lawsuit in the Stalin age, 25. 2. 1948 - Communist coup d‘état in ČSR, 21. 8. 1968 - Invasion of the Warsaw Pact troops and 3 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 29. 6. 1989 – Zveřejnění manifestu Několik vět