Argentine War of Independence Chile, allied with the Mapuches. On April 4, Argentine Colonel Juan Gregorio de Las Heras had occupied Concepción, but the Royalists retreated to Talcahuano. In early 1818, Royalist reinforcements from the Viceroyalty of Peru arrived, commanded by general Mariano Osorio, and advanced towards the capital. San Martín then turned to scorched earth tactics and ordered the evacuation of Concepción, which he thought was impossible to defend. On 18 February 1818, the first anniversary of the battle of Chacabuco, Chile declared its independence from the Spanish Crown. On March 18, 1818, Osorio led a surprise attack on the joint Argentine-Chilean army,
Bernardo Vieira de Melo captain-general on November 17, 1691. On January 8, 1695, he was appointed Captain-General of Rio Grande do Norte, and on September 25, 1709 Sergeant Major of the Third of Palmares, in which position he took an active part in War of the peddlers. In November 1710, Vieira was the first to call for the creation of a Republic in Brazil, an act for which he was arrested in Recife in 1712 and shipped to Lisbon with his son, André. He died in the Limoeiro prison in 1718. Bernardo Vieira de Melo Bernardo Vieira de Melo was the first Governor of