Maipú
Maipú
(mīpo͞o`), battlefield, central Chile, a few miles S of Santiago. On Apr. 5, 1818, San MartínSan Martín, José de, 1778–1850, South American revolutionist, b. Yapeyú, in present-day Argentina. After service with the Spanish army in Europe, he returned (1812) to join the revolution against Spain in his native country.
..... Click the link for more information. routed the Spanish royalist army at Maipú and assured Chilean independence. The victory made possible his liberating expedition to Peru.