of the village previously founded by Carvajal. New Kingdom of León From the outset, the greater portion of the population remained concentrated in what was to be formally designated in 1596 as the city of Monterrey. However, arrival of settlers from all over Spain were present in upcoming years. As the case of Bernabé de las Casas, a Spanish-Canarian explorer from Tenerife, Canary Islands, Spain, who after his victorious expedition with Juan de Oñate and fighting against Acoma Indians in New Mexico, came to the region with Spanish and Canarians families to found several settlements and mining camps in a then unsettled region of the New Kingdom of León, later known as Valle de las Salinas (Salinas Valley), in the subsequent years many villages were founded by his descendants, and the Salinas Valley was declared an 'alcaldía mayor'. The establishment of Spanish settlements in Northern Nuevo León, was often slowed down by attacks of Native Americans, of Coahuiltecan origin such as Alazapas, Cuanales, and Gualeguas, among others. The attacks were prompted by, or in response to, Spanish slave raids on the Indians. Spanish Captain Alonso de León wrote a description of many assaults and atrocities against the Spaniards in the New Kingdom of León, he also stated that the indigenous population of the New Kingdom of León, was different in all aspects from that of other provinces of New Spain. Mestizaje, a characteristic of many provinces in New Spain, was difficult on this province, the natives resisted to accept Christianity imposed by Spaniards, and they did not want to be incorporated into Spanish / Criollo society. This feeling of racial segregation was reciprocated among many Spanish and Spanish-born Reineros of the New Kingdom of León towards the indigenous people, who were frequently at war with them, the indigenous population had no permanent establishment. Instead, several nomadic tribes whose main activity was war and hunting, those skirmish were a major problem among the Spanish population. By the end of the Spanish rule, the white population of the New Kingdom of León comprised approximately 80% of the population. By the end of the colonial era, the (as they were known) had obtained a certain stability and had established the city of Linares, considered the second largest city, located southeast of Monterrey. Insurgent era News about the insurgent movement started by Miguel Hidalgo on 16 September 1810, was virtually nonexistent to the inhabitants