Mariano Osorio

Events

1

Episodes

2

Years

1818

Every event in Historedia whose sources name Mariano Osorio, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

1. Battle of Maipú secures Chilean independence

   1818

   Role: Royalist Commander

   1. 14 April 1818 · Lo EspejoPre-Battle Positions

      Royalist forces settled at Lo Espejo, seven kilometres from Patriot forces, on the night before the battle.

   2. 25 April 1818 · MaipúBattle of Maipú

      Patriot forces under San Martín defeated the royalist army commanded by Osorio near Santiago, securing Chilean independence.

Sources

1. Battle of Maipú Wikipedia, revision of 2026-08-20