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 de' Rossi Bernardo de' Rossi Bernardo de' Rossi (26 August 1468 – 28 June 1527) was an Italian bishop and patron of the arts. The son of a feudal family of the area of Parma, at a young age he received the archdiaconate of Padua and the Abbey of St. Crisogonus in Zadar. In 1488, thanks to the support of the Republic of Venice, he became Bishop of Belluno. In 1499 he was appointed as bishop of Treviso. Here he held a small court, featuring artists such as Lorenzo Lotto, who painted a portrait of him around 1505. In 1503, de' Rossi