Viceroyalty of Peru Guayaquil and El Callao, but on 4 February he captured Valdivia, called at the time "The Key of the South Seas" and the "Gibraltar of the Pacific", due to its huge fortifications. However the viceroyalty managed to defend Chiloé Island until 1826. On September 8, 1820, the "Expedición Libertadora" of Peru, organized mainly by Argentinians and with some Peruvian and Chilean involvement, landed on the beach at Paracas Bay, near the city of Pisco, Peru. The army was under the command of José de San Martín. After fruitless negotiations with the viceroy, San Martín occupied the Peruvian capital of Lima
Prime Minister of Peru is César Villanueva, who took office on 2 April 2018. Recently, the role of the prime minister has been debated, and whether it should be strengthened. This idea has been supported by former presidents Alan García, Alejandro Toledo and Ollanta Humala. Such reforms would enable the prime minister to become the effective head of government, similarly to what happens in countries like France and Russia. Prime Minister of Peru The President of the Council of Ministers of Peru, informally called "Premier" (form of address) or "Prime Minister", heads the Council of Ministers, and is appointed by the President (pending ratification