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The Mexican-American war ended with the signing of the Treaty of Guadalupe Hidalgo.
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The Compromise of 1850, made New Mexico become a United States territory.
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The Bosque Redondo and the Navajos sign a new treaty and return to their homeland.
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John Tunstall was killed and started the Lincoln County War
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Billy the Kid was killed by Sheriff Pat Garrett
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New Mexicans prove their loyalty to the United States by serving heroically in the Spanish-American war.
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Arizona voters reject a plan to enter the Union as a single state with New Mexico
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New Mexico achieves statehood