utah studies By meme3 May 25, 1847 First party of Mormon pioneers arrive in the Salt Lake Valley. May 25, 1854 Grasshoppers endanger crops May 25, 1860 Handcarts are used by the pioneers traveling to Utah May 25, 1879 First telephone service established in Ogden May 26, 1887 The Edmunds-Tucker Act is passed by Congress. May 26, 1891 B'Nai Israel Temple dedicated in Salt Lake City. May 26, 1909 Discovery of Rainbow Bridge May 26, 1919 Zion National Park is created May 26, 1928 Bryce Canyon National Park is established May 26, 2011 The 1930 census has arrived