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Dominguez and Escalante Expedition leaves Santa Fe
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Dominguez and Escalante arrive back in Santa Fe after wandering through modern-day Utah
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Jim Bridger reaches the Great Salt Lake
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John C. Fremont and Kit Carson name Antelope Island
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Donner Party enters the Salt Lake Valley
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Brigham Young enters the Salt Lake Valley
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Treaty of Guadalupe Hidalgo is signed, ending the Mexican-American War and transfering ownership of Utah to the USA
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Orson Pratt publicly announces the practice of polygamy
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The first soldiers who were sent to Utah to retake control of the territory under Albert Johnston leave Fort Leavenworth
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Mormons in Southern Utah massacre the Fancher Baker wagon train at Mountain Meadows
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Settlers start surveying what will become Logan, Utah.
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Settlers selected to found St. George
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Colonel Connor's men attack the Shoshone in what has become known as the Bear River Massacre
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Transcontinental Railroad completed
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Cornerstone laid for the Church of the Good Samaritan in Corinne which was the first religious building built in Utah by a religion other than Mormons
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Wilford Woodruff's Manifesto ending polygamy is accepted by Mormons in General Conference
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Utah becomes a state
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Scofield Mine explosion kills more than 200 miners
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First steam shovel used by the Utah Copper Company at Bingham Canyon mine
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Utah State Capitol dedicated
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Hill Field (which would later become Hill Air Force Base) is officially named by the War Department
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Topaz, a relocation camp for Japanese-Americans during WWII, opens near Delta
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First ski lift opens at Snow Park resort in Park City.
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Glen Canyon Dam dedicated which created Lake Powell
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Jazz given permission to move to Salt Lake City by the NBA Board of Governors
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Mr. Bailey is born
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Last mine closes in Park City
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2002 Olympics begin in Salt Lake City