Battle of Quiapo in the Arauco War was the final battle in the campaign of García Hurtado de Mendoza against the Mapuche under the toqui known as Lemucaguin or Caupolicán the younger. It was fought in Quiapo, in the region nowadays known as Arauco Province, Chile on December 13, 1558. The importance of this battle was that it was the first time that the Mapuche fought using a squad that carried firearms.
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