Alta California
| Alta California Alta California (Spanish) |
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| Province in the Viceroyalty of New Spain Territory and department in independent Mexico |
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| Capital |
Monterey 36°36′N 121°54′W / 36.600°N 121.900°WCoordinates: 36°36′N 121°54′W / 36.600°N 121.900°W |
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| Governor (See also complete list) | |||||
| • | 1804–14 |
José Joaquín de Arrillaga (first Spanish governor) |
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| • | 1815–22 |
Pablo Vicente de Solá (last Spanish governor) |
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| • | 1822–25 |
Luis Antonio Argüello (first Mexican governor) |
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| • | 1845–46 |
Pío de Jesus Pico IV (last Mexican governor) |
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| Historical era | Spanish colonization of the Americas | ||||
| • | Las Californias | 1769 | |||
| • | Las Californias split into Alta and Baja | 1804 | |||
| • | Mexican independence | August 24, 1821 | |||
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Mexican-American War |
May 13, 1846 |
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Mexican Cession by treaty |
February 2, 1848 |
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| • | California statehood |
September 9, 1850 |
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| Population | |||||
| • | 1847 | 85,000 | |||
| Today part of |
 United States-  California-  Arizona-  Nevada-  Utah-  Colorado-  Wyoming
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Alta California (English: Upper California), founded in 1769 by Gaspar de Portolá, was a polity of New Spain and after the Mexican War of Independence in 1822, a territory of Mexico. The region included all of the modern states of California, Nevada, and Utah, and parts of Arizona, Wyoming, Colorado and New Mexico.
Neither Spain nor Mexico ever colonized the area beyond the southern and central coastal area of present-day California, so they never exerted any effective control beyond Sonoma in the north or the California Coast Ranges in the west. Most of interior areas such as the Central Valley and the deserts of California remained in de facto possession of indigenous peoples until later in the Mexican era when more inland land grants were made, and especially after 1841 when overland immigrants from the United States began to settle inland areas.
Large areas east of the Sierra Nevada and San Gabriel Mountains were claimed to be part of Alta California, but were never colonized. To the southeast, beyond the deserts and the Colorado River, lay the Spanish settlements in Arizona.
Alta California ceased to exist as an administrative division separate from Baja California in 1836, when the Siete Leyes constitutional reforms in Mexico re-established Las Californias as a unified department. The areas formerly comprising Alta California were ceded to the United States in the Treaty of Guadalupe Hidalgo that ended the Mexican–American War in 1848. Two years later, California joined the union as the 31st state. Other parts of Alta California became all or part of the later U.S. states of Arizona, Nevada, Utah, Colorado, and Wyoming.
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Wikipedia