Gran Colombia–Peru War was the kernel of Bolívar's grander scheme to unite the former Spanish colonies in Central and South America. Prior to becoming the titular head of Gran Colombia, Bolívar had been, briefly, the president of the newly independent state of Bolivia, his namesake. Bolivia had formerly been a part of the Viceroyalty of the "Rio de La Plata", known as Upper Peru, and, once Bolívar relinquished the presidency of Bolivia to his revolutionary compatriot, Antonio José de Sucre Alcalá, in 1826, the Peruvians saw an opportunity. Early in 1828, Peru launched a campaign against Bolivia to reclaim its former territory and
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