About
Javier Pérez de Cuéllar was a Peruvian diplomat and politician. He is best known for serving as the fifth Secretary-General of the United Nations from 1982 to 1991. After his tenure at the UN, he also served as the prime minister of Peru from 2000 to 2001. Pérez de Cuéllar played a crucial role in mediating international conflicts and promoting peace during his time as Secretary-General.
Career Timeline
Peruvian Ambassador to UN
Appointed as Peru's ambassador to the United Nations. This role positioned him for future international diplomatic prominence.
UN Secretary-General Appointment
Became the fifth Secretary-General of the United Nations. This prestigious position made him one of the most prominent Latin American figures on the global stage.
Iran-Iraq War Ceasefire
Successfully mediated the end of the Iran-Iraq War, one of his major diplomatic achievements. His reputation as an effective peacemaker was firmly established.
Completed UN Term
Concluded his tenure as Secretary-General after serving for nine years. He left office with a respected legacy in international diplomacy and conflict resolution.
Prime Minister of Peru
Appointed as Prime Minister of Peru during a transitional government following political crisis. This brief return to domestic politics capped his diplomatic career.
Death at Age 100
Died at age 100 in Lima, Peru. His passing was mourned internationally as the loss of a distinguished diplomat and former UN Secretary-General.
Remembered as Distinguished Diplomat
Remembered as one of Latin America's most accomplished diplomats and a respected UN Secretary-General. Well-known in diplomatic circles and Peru, though not a household name globally.
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Last updated: February 23, 2026