The Presidio is where San Francisco began. This inspiring setting at the mouth of an iconic bay was home to native peoples for more than a thousand years. Later it became a cultural crossroads for three nations laying claim to its strategic position.
In 1776, the Presidio was established as Spain’s northernmost outpost in the Americas. It then served as a Mexican fort from 1822 until 1846, when it became a premier U.S. Army post. Generations of soldiers passed through its gates, serving our nation around the world.URL: http://www.presidio.gov