San Jose became part of the First Mexican Empire in 1821, after Mexico's War of Independence was won against the Spanish Crown, and in 1824, part of the First Mexican Republic.
With its newfound independence, and the triumph of the republican movement, Mexico set out to diminish the Catholic Church's power within Alta California by secularizing the California missions in 1833.
Major global tech companies including Cisco Systems, e Bay, Cadence Design Systems, Adobe Systems, Pay Pal, Brocade, Samsung, Acer, and Western Digital maintain their headquarters in San Jose, in the center of Silicon Valley.
The Tamyen spoke Tamyen language of the Ohlone language family.
In 1848, the Treaty of Guadalupe Hidalgo formally ceded California to the United States, as part of the Mexican Cession.
On 15 December 1849, San Jose became the capital of the unorganized territory of California.
San Jose served as a strategic settlement along El Camino Real, connecting the military fortifications at the Monterey Presidio and the San Francisco Presidio, as well as the California mission network.
In 1800, due to the growing population in the northern part of the Californias, Diego de Borica, Governor of the Californias, officially split the province into two parts: Alta California (Upper California), which would eventually become a U. state, and Baja California (Lower California), which would eventually become two Mexican states.
Before the arrival of the Spanish, the area around San Jose was inhabited by the Ohlone people.
San Jose was founded on 29 November 1777, as the Pueblo de San José de Guadalupe, the first city founded in the Californias.
Following World War II, San Jose experienced an economic boom, with a rapid population growth and aggressive annexation of nearby cities and communities carried out in the 1950s and 1960s. Census indicated that San Jose had officially surpassed San Francisco as the most populous city in Northern California.
With the Spanish colonization of California, the majority of the Tamyen came to inhabit Mission Santa Clara de Asís and Mission San José.
California was claimed as part of the Spanish Empire in 1542, when explorer Juan Rodríguez Cabrillo charted the Californian coast.