Perestroika, First Nagorno-Karabakh War

Cuba after 1959

Triumph of the Revolution (Cuba), Cuba after 1959

Bay of Pigs Invasion, Cuba after 1959, Triumph of the Revolution (Cuba)

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

1. 1. 1977 - Declaration of Chart 77

Cuba after 1959

5. 1. - 21. 8. 1968 - The Prague Spring, 1. 1. 1977 - Declaration of Chart 77, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 1. 1. 1977 - Declaration of Chart 77

17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 21. 8. 1988 – 17. 11. 1989 – Street demonstrations against the communist regime