This Day in History – July 16, 1769 Tags: 18th century history, Alta California, California History, California mission trail, colonial San Diego, early California, El Camino Real, exploration of California, Father Junípero Serra, Founding of San Diego, Franciscan missions, Historical Landmarks, July 16 1769, July 16 1769 history, mission architecture, Mission San Diego de Alcala, Saint Junipero Serra, San Diego history, Spanish colonization, Spanish Empire, Spanish missions in California, this day in history, This day in history 1769, This day in history July 16, Share on: Share: This is where the text will go.View our photo collection! View Collection