Events in the Mexican American War

By selenamorales

  • 1810

    • Mexico wins independence from Spain.
    • Mexico permits Stephen F. Austin to colonize Texas

  • 1824

    • Mexico becomes a republic

  • 1835

    • Mexico passes a new constitution, centralizes power,
    Mexican states protest

  • 1836

    • Texas declares independence from Mexico on March 2.
    • Texas loses battles at the Alamo and Goliad.
    • Santa Anna is captured by Sam Houston at the Battle of San Jacinto.

  • 1838

    • Civil war in Mexico prevents invasion of Texas

  • 1845

    • In February, U.S. Congress votes to annex Texas.

  • 1846

    • First shots of the war are fired on April 23.
    • War declaration from the U.S., “American blood has been
    shed on American soil,” on May 9.
    • Declaration of the Bear Flag Republic in California on June 14.
    • December 8: Battle of San Pascual
    • On December 6, with reinforcement, Kearny recaptures
    Los Angeles, war ends in California.

  • 1847

    • In February, Battle of Buena Vista. Taylor defeats Santa Anna
    despite being outnumbered.
    • Scott arrives in Veracruz with 12,000 troops in March.
    • U.S. artillery bombards Mexican Troops outside Mexico City
    on September 12.
    • U.S. attacks on Chapultepec, last Mexican defensive position.
    • Six youths — to be known as the “Niños heroes”— die
    defending Chapultepec, on September 12.
    • On September 14, Scott enters Mexico City, victorious, raises
    American flag at the national palace.

  • 1848

    • Treaty of Guadalupe Hidalgo signed on February 2, 1848,
    officially ending the war.