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COMMANDER // 1777–1819

Mariano Osorio

generalSpain3 battles2 wars

Lifespan

1777 – 1819

1780179018001810Spanish American wars of independence · 1808-1833Chilean War of Independence · 1827Battle of Rancagua — October 2, 1814 · Royalists · Spanish American wars of independenceBattle of Maipú — April 5, 1818 · Spain · Chilean War of IndependenceSecond Battle of Cancha Rayada — March 19, 1818 · Spain · Chilean War of Independence

Active service 1814–1818 — 3 battles across 2 wars; first command at age 37.

Profile

Mariano de Osorio was a Spanish general and Governor of Chile, from 1814 to 1815.

Source · Wikipedia · Q1350251

Battles (3)

Last verified June 2026
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