Utah History By Mr.Bailey Jul 29, 1776 Dominguez and Escalante Expedition leaves Santa Fe Feb 10, 1777 Dominguez and Escalante arrive back in Santa Fe after wandering through modern-day Utah Jan 1, 1824 Jim Bridger reaches the Great Salt Lake Jan 1, 1845 John C. Fremont and Kit Carson name Antelope Island Aug 22, 1846 Donner Party enters the Salt Lake Valley Jul 24, 1847 Brigham Young enters the Salt Lake Valley Feb 2, 1848 Treaty of Guadalupe Hidalgo is signed, ending the Mexican-American War and transfering ownership of Utah to the USA Aug 29, 1852 Orson Pratt publicly announces the practice of polygamy Jul 18, 1857 The first soldiers who were sent to Utah to retake control of the territory under Albert Johnston leave Fort Leavenworth Sep 11, 1857 Mormons in Southern Utah massacre the Fancher Baker wagon train at Mountain Meadows Jun 6, 1859 Settlers start surveying what will become Logan, Utah. Oct 6, 1861 Settlers selected to found St. George Jan 29, 1863 Colonel Connor's men attack the Shoshone in what has become known as the Bear River Massacre May 10, 1869 Transcontinental Railroad completed Jul 30, 1870 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 Oct 6, 1890 Wilford Woodruff's Manifesto ending polygamy is accepted by Mormons in General Conference Jan 4, 1896 Utah becomes a state May 1, 1900 Scofield Mine explosion kills more than 200 miners Mar 16, 1906 First steam shovel used by the Utah Copper Company at Bingham Canyon mine Oct 19, 1916 Utah State Capitol dedicated Dec 1, 1939 Hill Field (which would later become Hill Air Force Base) is officially named by the War Department Sep 11, 1942 Topaz, a relocation camp for Japanese-Americans during WWII, opens near Delta Jan 1, 1946 First ski lift opens at Snow Park resort in Park City. Sep 22, 1966 Glen Canyon Dam dedicated which created Lake Powell Jun 8, 1979 Jazz given permission to move to Salt Lake City by the NBA Board of Governors Mar 23, 1980 Mr. Bailey is born Feb 14, 1982 Last mine closes in Park City Feb 8, 2002 2002 Olympics begin in Salt Lake City