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,
San Bernardo Unido Tomé managed to defeat Deportivo La Granja by 5 to 3, and after equaling 46 points both casts , the table of the eighth region agreed by goal difference (+23 for Sports Tome and +11 for San Bernardo Unido). In 2017, San Bernardo Unido began its participation with several victories, then had a negative streak, which made it be the protagonist of the bottom of the table, finishing penultimate with 17 points, only beating Pirque Sports, who would descend, in the Center Group. San Bernardo Unido Club Deportivo San Bernardo Unido is a Chilean football club based in San Bernardo.