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

5. – 9. 5. 1945 - Prague Uprising, 1968 - 1970 - Second renewal of Junák, 5. 4. 1968 – Formation of KAN (Club of Active Non-partisans), 21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime and 2 more anniversaries

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, 16. 1. 1969 – Jan Palach´s self-immolation , 25. 1. 1969 Jan Palach´s funeral and 5 more anniversaries

Perestroika, Dissolution of the Soviet Union

21. 8. 1968 - Invasion of the Warsaw Pact troops, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 28. 1. 1977 - The “Anti-Charter” and 1 more anniversaries

Cuba after 1959, Cuba before 1959, Dictatorship of Fulgencio Batista in Cuba, Triumph of the Revolution (Cuba), "Struggle against Bandits" / Escambray Rebellion

5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 9.11.1989 - The fall of the Berlin Wall, 17.6.1953 - Uprising of 1953 in East Germany, 13.8.1961 - Building of the Berlin Wall and 1 more anniversaries

21. 8. 1968 - Invasion of the Warsaw Pact troops, 25.3.1988 Candle demonstration in Bratislava, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 29. 6. 1989 – Zveřejnění manifestu Několik vět

Cuba after 1959

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