Catamarca Province Plata was created in 1776, Catamarca obtained the title of "Subintendencia" under the Salta intendency. In 1821, the province claimed its autonomy, and Nicolás Avellaneda y Tula (grandfather of Nicolás Avellaneda) was elected as the first governor of the province. The name is believed to come either from Quechua "cata" 'slope' and "marca" 'fortress', or from Aymara "catán" 'small' and "marca" 'town'. Catamarca remained isolated from the rest of Argentina by its mountains until 1888, when the rapidly expanding railways first appeared in the province. Attracting immigrants with its spacious, fertile valleys and dry, agreeable weather, Catamarca was soon favored
Catamarca Province low humidity and high solar radiation. Before the arrival of the Spanish conquest, most of today's Catamarca was inhabited by the Diaguitas indigenous people, including the fierce Calchaquí tribe. In 1558 Juan Pérez de Zurita founded "San Juan de la Ribera de Londres", but since it was constantly under attack by indigenous people its population remained small; it was re-founded several times at new sites with new names. The sixth foundation was by Fernando de Mendoza Mate de Luna on July 5, 1683, with the name "San Fernando del Valle de Catamarca". When the Viceroyalty of the Río de la