Discovered in 1542 by Juan Rodriguez Cabrillo and named sixty years later (1602) by Sebastian Vizcaino, the port of San Diego was first occupied in 1769.
For fifty-two years (1769-1821), San Diego served as an outpost for the Spanish empire in Mexico. Read more history here.
On July 16, 1769, a crude brushwood shelter had been erected and there Father Serra established Mission San Diego de Alcalá which was to be the first of the famous California missions. Read more about the history
of missions here.