U.S Western Expansion California

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    The Manifest Destiny California

    This Timeline explains the history of California, from the establishment of its trail, to the end of the Gold Rush.
  • The California Trail

    The California Trail
    The Bidwell-Bartleson Company "establishes" a route into the California territory, later to be known as the California Trail. (There is no specific date to the establishment)
  • Start of the Mexican War

    Start of the Mexican War
    On this day, April 25th, 1846, the Mexican and American nations declare war due to a heated border dispute, as well as a violent military engagement on the Rio Grande.
  • Golden Discovery

    Golden Discovery
    A man named James Marshall discovered gold on hiss property in California, which would soon spark one of America's greatest events.
  • The End of the War & New Territories

    The End of the War & New Territories
    The United States claims victory over the Mexicans and results in the treaty of Guadalupe Hidalgo, giving the U.S new land to the West.
  • The Growth of California

    The Growth of California
    Marshall's discovery resulted in the rapid growth of California, multiplying the state's population by nearly 100 times in size.
  • The 31st State

    The 31st State
    On September 9th, 1850, the U.S Congress added California as the 31st state.
  • End of the Gold Rush

    End of the Gold Rush
    By 1855, the Gold Rush became unpopular with the rising scarcity of gold, and use of the CA Trail and population growth declined to a low.