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,
Cabinets of the Azerbaijan Democratic Republic Cabinets of the Azerbaijan Democratic Republic The Azerbaijan Democratic Republic (ADR) is the first independent Republic, proclaimed on May 28, 1918 in the territory of the present Azerbaijan Republic. The republic collapsed on 28 April 1920, after the 11th Red Army entered Baku. On 28 May is celebrated as the Republic Day in Azerbaijan since 1990. The government of the ADR was the supreme executive body of the Republic. The first cabinet of the government was established on May 28, 1918, immediately after the proclamation of independence. The Cabinet was dissolved on June 17, 1918. The cabinet was led by