José de San Martín The navy sailed from Chile on 20 August 1820. It was composed of eight warships, eleven gunboats, 247 cannons and a crew of 1,600, most of them Chileans. There were 12 frigates, and a brig with the 4,000 soldiers of the Army of the Andes. San Martín was the leader of the military expedition. They landed in Paracas, 200 km to the south of Lima, on 7 September, and occupied the nearby city of Pisco, which was abandoned by the royalists. Peruvian viceroy Joaquín de la Pezuela had instructions from Spain to negotiate with the patriots. Under an armistice the
Juan Bautista de las Casas was quickly revolutionized. There was little resistance in Nacogdoches, where the presidio commander was arrested, or in La Bahia. Las Casas promptly confiscated property belonging to Spanish residents, proclaimed himself the head of a provisional government, released political prisoners and jailed royalists. His arbitrary rule disenchanted much of the army, and they soon teamed together with the remaining royalists. Juan Manuel Zambrano, the subdeacon of San Antonio, soon led a counter-insurgency against him. On March 2, Zambrano and his royalists marched on the government house, captured and arrested Casas and Ignacio Aldama, (Hidalgo's ambassador to the United States). Las Casas