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  Brigham Young and the 1st mormon wagon train enter into the Salt Lake Valley
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  In June 15th, 1850 Salt Lake's Deseret news started
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  On may 10th, 1869 the Union Pacific and Central Pacific railroads join in Utah. A ceremony was held
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  made it legal to prosecute Mormons for polygamy. . . (i actually couldn't find what day. I only could find the month and year therefore I put the 1st day of the month. I don't know when it actually happened. sorry)
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  The Edmunds Tucker act was passed
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  Utah Became a State
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  Over 200 died
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  State Legislature approves of state flower