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
San Bernardo del Tuyú La Costa District helped further promote the town, and numerous pubs, bingo parlors, discothèques, and theatres were established in subsequent years, notably along Costanera and San Bernardo Avenues, and Chiozza Street, which was designated a pedestrian promenade for the summer high tourist season (January 1March 10). Among the best-known points of interest on this latter is the Observatorio de la Costa, the district's only observatory. San Bernardo del Tuyú San Bernardo del Tuyú is a city in the seaside La Costa District of the Province of Buenos Aires, Argentina. Founded by the "Compañía Inmobiliara del Este Argentino S.R.L.", a partnership