The silver deposits of Agua Amarga are discovered in Chile becoming in the following years instrumental for the Patriots to finance the Chilean War of Independence.

Agua Amarga is a silver deposit and defunct mining district in Chile's Atacama Region. It is located 30 km south of Vallenar. Agua Amarga was discovered in 1811 and its silver was instrumental to finance the Chilean War of Independence. An enquiry by Ignacy Domeyko tells of 150 individual mines…