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He began to preach Mormon ideas
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In 1839 the Mormons bought a town in Ilinois called Commerce
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In 1844 a mob of local residents killed Joseph Smith
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The Mormons began to migrate in 1847
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The Mormons reached the great salt lake in 1847
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The united states acquired the great salt lake from Mexico after the Mexican war, in 1848
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The united states established the Utah territory in 1850
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In 1896 the Mormons finally gave up Polygamy