This Day in History, Peru and Chile Sign Treaty of Ancón (1883)
October 20, 2014 8:32am CST
This Day in History Peru and Chile Sign Treaty of Ancón (1883) The Treaty of Ancón ended Peru's involvement in the War of the Pacific, which broke out between Chile and the joint forces of Bolivia and Peru in 1879. Victorious, Chile annexed the Peruvian province of Tarapacá and gained substantial mineral-rich territories, leaving Bolivia without access to the sea. The loss of the coast remains an emotional issue for many Bolivians, who attribute their country's problems to being landlocked. What items stolen during the war did Chile return to Peru in 2007?