Mikhail Gorbachev & 1989 - Year of Revolutions Mikhail Gorbachev & 1989 - Year of Revolutions Prague sprin 1968_andres_castiblanco_daniel_kraus_juan_felipe_uribe Cuban Missile Crisis - Leon, De Angulo, Romero Berlin Wall: Correa n Alvarez 1989: year of revolutions 
