Spanish missions in the Sonoran Desert

The Spanish missions in the Sonoran Desert are a series of Jesuit Catholic religious outposts established by the Spanish Catholic Jesuits and other orders for religious conversions of the Pima and Tohono O'odham indigenous peoples residing in the Sonoran Desert. An added goal was giving Spain a colonial presence in their frontier territory of the Sonora y Sinaloa Province in the Viceroyalty of New Spain, and relocating by Indian Reductions (Reducciones de Indios) settlements and encomiendas for agricultural, ranching, and mining labor.

The missions are in an area of the Sonoran Desert, then called "Pimería Alta de Sonora y Sinaloa" (Upper Pima of Sonora and Sinaloa), now divided between the Mexican state of Sonora and the U.S. state of Arizona. Jesuits in missions in Northwestern Mexico wrote reports that throw light on the indigenous peoples they evangelized. A 1601 report, Relación de la Provincia de Nuestra Señora de Sinaloa was published in 1945. An important Jesuit report concerned the resistance in 1691 of the Tarahumara to evangelization, Historia de la tercera rebelión tarahumara. Another important Jesuit account of evangelization in Sonora is Estado y descripción de Sonora, 1730, which has considerable information about the size of the indigenous population, culture, and languages.

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