Battle of Ayacucho own. The royalists in each viceroyalty, however, took different paths. In New Spain, royalists, after defeating the insurgents, proclaimed a negotiated separation from Liberal Spain through the Plan of Iguala, which they negotiated with the remaining patriots, and the Treaty of Córdoba, which they negotiated with the new head of government, Juan O'Donojú. In Peru Viceroy Joaquín de la Pezuela was discredited after a royalist expedition to Chile under Mariano Osorio was defeated and advances in Peru were made by José de San Martín. The viceroy was overthrown on 29 January 1821, in Asnapukyu "(Aznapuquio)", in a coup by General
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