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,
Valcău de Jos it in 1404. In 1665 the Ottoman army destroyed it and it was not rebuilt again. In 1910 the village had 900 residents, with a Romanian majority and a significant Hungarian minority. In 2002 the commune of which Valcău de Jos is the administrative center had 3302 inhabitants: 2909 Romanians, 287 Roma, 105 Hungarians, and one Slovak. "This article is based on a translation of the from the Hungarian Wikipedia on 22 February 2007". Valcău de Jos Valcău de Jos () is a commune in Sălaj County, Romania. It is composed of six villages: Lazuri ("Újvágás"), Preoteasa ("Füzespaptelek"), Ratovei ("Rátonbükk"),