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,
Gagauz Republic Gagauz Republic The Gagauz Republic (; ; , "Respublika Gagauzija") was an unrecognised state that separated from the Moldavian Soviet Socialist Republic after the dissolution of the Soviet Union, but later peacefully joined the Republic of Moldova after being "de facto" independent from 1990 and 1994. The Special Congress of Representatives of the Gagauz people was held on 12 November 1989, in which the Gagauz Autonomous Soviet Socialist Republic was proclaimed in the Moldavian SSR, but on the next day the Presidium of the Supreme Council of the Moldavian SSR abolished the Special Congress decisions, calling them unconstitutional. The Congress