utah timeline By wizardfish Jan 13, 1851 city settled parawan city settled Nov 2, 1851 city settled cedar city was settled Sep 11, 1857 mountain meadows massacre the mountain meadows massecre acurred Jan 4, 1896 utah utah becomes a state Jul 22, 1947 pioneers the first to mormons enter the salt lake valley May 10, 1969 railroad the transcontenentar railroad was completed