Former UN Chief Javier Perez de Cuellar passed away at the age of 100. He served as the president of the UN Security Council from 1973 to 1974. He also worked as United Nations Secretary General from 1981 to 1991. He was often called as a “pacifist by vocation and nature.” He was honored Prince of Asturias Prize for the promotion of Ibero-American cooperation in 1987.