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In July 1847, The first pioneers came to Utah.
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Utah became a U.S. territory
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(1861) Telegraph service began
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(1873) Polygamy outlawed by Congress
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1890) Mormon church issued far-reaching Manifesto ending polygamy
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(1906) Copper mining began in Bingham Canyon
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(1914) Auto racing on Bonneville Salt Flats
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1919) Zion National Park dedicated
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(1942-1945) Japanese-American relocation camp operated near Delta
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(1952) Duchesne Tunnel completed for irrigation; uranium discovered near Moab
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(1985) Salt Lake City won 2002 Winter Olympic bid; Great Salt Lake flooded northern Utah