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The U.S. Army invades and captures New Mexico in the Mexican-American War.
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The Civil War begins; Confederate troops occupancy southern New Mexico
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Kit Carson defeats the Navajos, who are then forced on the Long Walk to Bosque Redondo.
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The San Carlos Indian reservation is founded in southeastern Arizona; thousands of Apaches will be forced to relocate to this distant location far from their homeland.
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New Mexico achieves statehood at last.