21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 29. 6. 1989 – Zveřejnění manifestu Několik vět

Cuba after 1959, Cuba before 1959, 1962 - Cuban Missile Crisis, Triumph of the Revolution (Cuba)

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

21. 8. 1968 - Invasion of the Warsaw Pact troops, 17. 4. 1969 – A. Dubček’s resignation, start of the “normalisation” period, 5. 1. - 21. 8. 1968 - The Prague Spring

Perestroika, First Nagorno-Karabakh War

1944 - 1949 Greek civil war

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia

Black Spring of Cuba 2003

30. 5. 1945 – 29. 10. 1946 - Expulsion of Germans from Czechoslovakia