Feast day of St. Isidore, patron of farmers and rural communities. Declared a saint in 1622 along with Saints Ignatius of Loyola, Francis Xavier, Teresa of Avila, and Philip Neri. Patron of the Catholic church built for farm workers in Los Alamitos. The church has been desanctified. The Diocese of Orange sold the small collection of buildings and patch of ground to a preservation group that renamed it St. Isidore Historical Plaza.
Expedition led by Juan Bautista de Anza and Francisco Garcés arrives at Mission San Gabriel.