First Upper Peru campaign 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 Aires May Revolution in Upper Peru (modern Bolivia). There were initial victories, such as in the Battle of Suipacha and the revolt of Cochabamba, but it was finally defeated during the Battle of Huaqui that returned Upper Peru to Royalist influence. Manuel Belgrano and José Rondeau would attempt other similarly ill-fated campaigns; the Royalists in the Upper Peru would be
First Upper Peru campaign into a formal agreement, which would imply recognition of the Junta as a legitimate interlocutor. Goyeneche agreed to sign an armistice for 40 days until Lima was issued, and used that time to be strengthened. On 19 June, with the truce still in effect, an advanced royalist troop attacked positions at Juraicoragua. Castelli declared the truce broken and declared war on Peru. The royalist army crossed the Desaguadero on June 20, 1811, starting the Battle of Huaqui. The Army waited near Huaqui, between the plains of Azapanal and Lake Titicaca. The patriotic left wing, commanded by Diaz Velez, faced the