5. 1. - 21. 8. 1968 - The Prague Spring, 21. 8. 1968 - Invasion of the Warsaw Pact troops, 1. 1. 1977 - Declaration of Chart 77, 1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

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

Palach Week, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 29. 6. 1989 – Zveřejnění manifestu Několik vět, 1. 1. 1977 - Declaration of Chart 77

Black Spring of Cuba 2003, Cuba after 1959

1 November 1955 – 30 April 1975 - Vietnam War

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