Viceroyalty of Peru arrived in Lima with Antonio José de Sucre to plan the offensive. In February 1824 the royalists briefly regained control of Lima. Olañeta's Rebellion started by surprise and the entire royalist army of Upper Peru (today's Bolivia) revolted, led by Pedro Antonio Olañeta (royalist) against La Serna, the viceroy of Peru (a liberal). This broke the royal army and started a civil war in Upper Peru. Having regrouped in Trujillo, Bolívar in June led his rebel forces south to confront the Spanish under Field Marshal José de Canterac. The two armies met on the plains of Junín on August 6,
First Upper Peru campaign Gazeta accused him of defeat in Huaqui and seek punishment as deterrent. His former supporters were divided between those who joined the ideas of the Triumvirate and those no longer able to do much. Castelli suffered from tongue cancer during the long trial, which made him progressively difficult to speak, and died on October, 1812, with the trial still open. First Upper Peru campaign The first Upper Peru campaign was a military campaign of the Argentine War of Independence, which took place in 1810. It was headed by Juan José Castelli, and attempted to expand the influence of the Buenos