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
Army of the North (France) him. Jean-Baptiste Jourdan won the Battle of Wattignies in October. On 17–18 May 1794, the Army of the North won a victory at the Battle of Tourcoing while under the temporary leadership of Joseph Souham. The right wing of the army fought under Jourdan in an important victory at the Battle of Fleurus on 26 June. Soon after this, the Allied position in Flanders collapsed, leading to Austria's loss of Belgium and the extinction of the Dutch Republic in the winter of 1794-1795. During this period, the army was engaged in mopping up operations and sieges. On 25 October 1797,