1989 - The fall of the iron curtain, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia, 3.10.1990 - Reunification of Germany

21. 8. 1968 - Invasion of the Warsaw Pact troops, 1989 - The fall of the iron curtain, 31. 12. 1992 Dissolution of Czechoslovakia

2014 - first invasion of Russia into Ukraine, 2022 - full scale invasion of Russia into Ukraine, The Revolution of Dignity (21.11. 2013 – 22.02. 2014), The Revolution on Granite in Ukraine. 2.10.1990 – 17.10.1990

21. 8. 1968 - Invasion of the Warsaw Pact troops, Vznik nezávislého odborové hnutí Solidarita, Výjimečný stav v Polsku, 17. 11. - 29. 12. 1989 - The Velvet Revolution in Czechoslovakia

5. 1. - 21. 8. 1968 - The Prague Spring, 26 April 1986 - Chernobyl disaster, Dissolution of the Soviet Union, Ukraine in 1990-s., The Orange Revolution of 2004 and 1 more anniversaries

Cuba after 1959, Cuba before 1959, Triumph of the Revolution (Cuba)