Question: Mission San Rafael Arcángel was founded in 1817 as a medical "asistencia" ("sub-mission") of Mission San Francisco de Asís, it was a hospital to treat sick Native Americans, making it which regions, first sanitarium that was founded in 1769 by Gaspar de Portolà, was a polity of New Spain?
Sentence (from "Alta California"): Alta California (English: Upper California ), founded in 1769 by Gaspar de Portolà, was a polity of New Spain, and, after the Mexican War of Independence in 1822, a territory of Mexico.
Relevant evidence: Yes