Utah's history By lord shanker Jul 24, 1847 Brigham Young leads Mormons into Utah Feb 2, 1848 the Mexican-American War ended Jul 17, 1853 the Walker war being over slavery Apr 9, 1865 ute and Black Hawk War Mar 1, 1879 first telephone Line in Utah Mar 23, 1882 Edmunds Act was passed Jan 4, 1896 Utah becomes the 45th state in Utah Apr 25, 1898 Declaratioin for the Spanish American War Aug 15, 1909 the month Rainbow Bridge was discovered Oct 9, 1916 Utahs state capitol in finished and dedicated Sep 28, 1928 bryce canyon was established Feb 23, 1933 the sherrif goes and collects taxes during the Great Depression