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 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 of ten investors led by Juan Carlos Chiozza, San Bernardo del Tuyú originated with the 1942 purchase of 191 hectares (480 acres) along the Atlantic Ocean shore from the San Bernardo ranch, one of the Duhau family's many properties in Buenos Aires Province. The land was subdivided into parcels, and installations for an incipient town center were added by the developers. The governor, Dr. Rodolfo