passed from Spanish to Mexican sovereignty after the Mexican War of Independence. However, the advent of U.S. sovereignty after the Mexican�American War, and especially, the Gold Rush, saw the Peralta's lands quickly encroached on by squatters and diminished by dubious legal proceedings. The lands of the brothers Domingo and Vicente were quickly reduced to reservations close to their respective ranch homes. The rest of the land was surveyed and parceled out to various American claimants (See Kellersberger's Map).
Politically, the area that became Berkeley was initially part of a vast Contra Costa County. On March 25, 1853, Alameda County was created by division of Contra Costa County, as well as from a small portion of Santa Clara County.
The area of Berkeley was at this period mostly a mix of open land, farms and ranches, with a small though busy wharf by the bay. It was not yet "Berkeley," but merely the northern part of the "Oakland Township" subdivision of Alameda County.
Late 19th century
In 1866, Oakland's private College of California looked for a new site. It settled on a location north of Oakland along the foot of the Contra Costa Range (later called the Berkeley Hills) astride Strawberry Creek, at an elevation about 500 feet (150 m) above the bay, commanding a fantastic view of the Bay Area and the Pacific Ocean through the Golden Gate.
According to the Centennial Record of the University of California, "In 1866�at Founders' Rock, a group of College of California men watched two ships standing out to sea through the Golden Gate. One of them, Frederick Billings, thought of the lines of the Anglo-Irish Anglican Bishop George Berkeley, 'westward the course of empire takes its way,' and suggested that the town and college site be named for the eighteenth-century Anglo-Irish philosopher."
The College of California's College Homestead Association planned to raise funds for the new campus by selling off parcels of