21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 31. 10. 1967 – Spontaneous student demonstration in Prague, 19. – 21. 11. 1968 – The three-day student strike and other displays of civil r and 1 more anniversaries

1989 - The fall of the iron curtain, Palach Week, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

9. 5. 1960 - Amnesty of political prisoners, 1948 - 1955 - Politic lawsuit in the Stalin age, 5. 1. - 21. 8. 1968 - The Prague Spring

1944 - 1945 - The liberation of Czechoslovakia, 23. 3. 1945 Bombing of České Budějovice, 18. 4. - 10. 5. 1945 - osvobození západní části ČSR americkou armádou, 25. 2. 1948 - Communist coup d‘état in ČSR, 19. – 21. 11. 1968 – The three-day student strike and other displays of civil r and 2 more anniversaries

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

21. 8. 1968 - Invasion of the Warsaw Pact troops

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

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 31. 12. 1992 Dissolution of Czechoslovakia, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia