Manuel Luís Osório, Marquis of Erval

Brazilian military officer

Manuel Luís Osório, Marquis of Erval (10 May 1808 – 4 October 1879) was a Brazilian military officer, monarchist and politician. A member of the Imperial Army at the age of fifteen, he climbed all the posts of the military hierarchy of his time thanks to the soldier attributes that consecrated him as "the Legendary". He participated in the main military events of the late nineteenth century in the Río de la Plata region and is considered a hero of the Paraguayan War.

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