Rivadavia, Salta Rivadavia, Salta Rivadavia is a town in eastern Salta Province, Argentina in the Department of Rivadavia, from the city of Salta. It is in a low-lying region of the province. Rivadavia has a semi-arid climate according to the Köppen climate classification. Temperature extremes can be very high in the summer especially in early summer before the heaviest and most persistent rain. The highest temperature ever recorded in South America was held by Rivadavia, when it peaked at on December 11, 1905. Rivadavia has a hot humid subtropical climate with significant tropical influence. The climate combines a wet summer season with
Corrientes Juan Díaz de Solís commanded the first expedition to reach the area populated mainly by Guaraní aboriginals, but his expedition was attacked and Solís perished in the adventure. Sebastian Cabot established in 1527 the "Sancti Spiritu" fort upstream of the Paraná River, and in 1536 Pedro de Mendoza reached further north into the basin of the river, searching for the "Sierras of Silver". Juan Torres de Vera y Aragón founded on April 3, 1588 "San Juan de Vera de las Siete Corrientes" ("Saint John of Vera of the Seven Currents"), which was later shortened to "Corrientes". The "seven currents" refer