Sort ID: 1939-01 Image ID: C378 Year: 1939. Photo content: Postcard of Mission Dolores picked up by mother in San Francisco during her visit to the World Fair in that city in 1939. Photo dates from 1937. "Mission San Francisco de Asís, or Mission Dolores, is the oldest surviving structure in San Francisco and the sixth religious settlement established as part of the California chain of missions. The Mission was founded on June 29, 1776, by Lieutenant José Joaquin Moraga and Father Francisco Palóu (a companion of Father Junipero Serra), both members of the de Anza Expedition, which had been charged with bringing Spanish settlers to Alta (upper) California, and evangelizing the local Natives, the Ohlone."