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The U.S. Army invades and captures New Mexico in the Mexican American War
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U.S forces suppress the Revolt of 1847
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The Mexican-American War ends with the signing of the Treaty of Guadalupe Hidalgo
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As part of the Compromise of 1850, New Mexico becomes a territory of the United States
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The Civil War begins; Confederate troops occupy southern New Mexico
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Confederate troops advanced into northern New Mexico, but, once defeated at Glorieta Pass, retreat to Texas
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Kit Carson defeats the Navajos, who are then forced on the Long Walk to Bosque Redondo
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Mescalero Apaches held at Bosque Redondo flee to their homeland to the south
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The disastrous reservation at Bosque Redondo is closed as the Navajos sign a new treaty and return to their homeland in northwestern New Mexico
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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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John Tunstall is killed, starting Lincoln County War
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The Atchison, Topeka, and Santa Fe Railroad builds the first tracks into New Mexico.
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Sheriff Pat Garrett kills Billy The Kid, essentially ending the Lincoln County War.
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New Mexicans prove their loyalty to the United States by serving heroically in the Spanish-American War, especially as members of a cavalry unit known as the Rough Riders.
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Arizona voters reject a plan to enter the Union as single state with New Mexico
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New Mexico Achieves Statehood At Last.
