Chile–Peru relations Peru had a secret defensive alliance with Bolivia, Peru did not declare war on Chile even after Chile invaded the Bolivian port of Antofagasta. War was not declared formally until Chile declared war on both Peru and Bolivia in 1879. Peru declared war on Chile the following day. The war resulted in a Chilean invasion of Peru and the destruction of various Peruvian buildings, cities, a major raid and a two-year occupation of the capital of Peru, Lima. The ultimate result of the war left a deep scar on the three societies involved, and the relations between Peru and Chile
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