Battle of Maipú Battle of Maipú The Battle of Maipú () was a battle fought near Santiago, Chile on April 5, 1818 between South American rebels and Spanish royalists, during the Chilean War of Independence. The Patriot rebels led by Argentine general José de San Martín effectively destroyed the Spanish forces commanded by General Mariano Osorio, and completed the independence of the core area of Chile from Spanish domination. In 1817, the Argentine General José de San Martín led an army across the Andes and defeated the Spanish at the battles of Chacabuco and Chalchuapa and captured Santiago. The Spanish viceroyalty sent a
Louis, comte de Narbonne-Lara Austria, by which they hoped to restore the prestige of the monarchy. Narbonne-Lara made an alliance with the Marquis de Lafayette, but their schemes were defeated. After his resignation, he joined the Army of the North and, in May 1792, he was elevated to Lieutenant General of the Army. After less than six months from his dismissal, the French Monarchy was agonizing, the French Republic was proclaimed and the Royal Family was incarcerated. Later, Narbonne actually incurred suspicion as a Feuillant. The comte de Narbonne-Lara also had on him a prison warrant. Due to this, and also to questions about