Former United Nations Secretary-General Javier Perez de Cuellar, who led the organization from 1981-1991, died in his native Peru on Wednesday night.“My dad died after a complicated week. He died at 8:09 pm tonight (01:09 GMT Thursday) and is resting in peace,” Francisco Perez de Cuellarf told RPP radio.Antonio Guterres, the current head of the UN, wished him a happy 100th birthday on January 19.“On this momentous occasion, we at the UN draw on his example for inspiration & are deeply grateful for his many contributions and achievements as Secretary-General,” Guterres wrote on Twitter.It is with pride & joy that I wish former UN Secretary-General Javier Pérez de Cuéllar a very happy 100th birthday. On this momentous occasion, we at the UN draw on his example for inspiration & are deeply grateful for his many contributions and achievements as Secretary-General. https://t.co/3c5sFUVN68— António Guterres (@antonioguterres) January 19, 2020Cuellar led the UN through the Iran-Iraq war, the end of the Cold War and civil war in El Salvador. Serving two terms, he was widely well-regarded and was encouraged to run for a third term in office in 1991, which he declined to do.The career diplomat also served as prime minister of Peru briefly from 2000-2001.The article was originally published on DW. You can read it here.