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In 1542,Alta California was discovery by the portuguese Joao Rodrigues Cabrilho.
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In 1765, Charles III of Spain gives the order to colonize the California .
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The gold is discovery in Sutter's Mill in Californie on January 1848.More than 300 000 American adventurer and a foreign was came for gold.
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In the 2 febrery 1848, the California was attached to the United States after treaty of Guadeloupe Hidalgo was signed by the Mexican.The United States take the California.
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It's a civil war between the American U.S and confederate states of America.
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Before the arrival of the railroad the California was isolated compared to others States.After the War of Secession the construction of the first railroad was completed in 1869.
