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
Battle of Quechereguas Battle of Quechereguas The battle of Quechereguas occurred on 8 April 1814, during the War of Chilean Independence. The Royalists had taken the key Patriot town of Talca in March, 1814, and an army, under the command of Gabino Gaínza, now threatened to advance on the Patriot capital of Santiago itself. Bernardo O' Higgins, the famous Patriot leader, attempted to intervene to prevent this. Gabino Gaínza had crossed over the Maule river with his forces, advancing northwards. O' Higgins was unable to pursue him during the day, because of the size of the Royalist force. During the night, however, O'