Utah History By smiley faces Jul 24, 1847 Brigham Young arrives in Utah. Sep 7, 1850 US Senate passes bill for Utah to become a territory. May 10, 1869 First transcontinental railroad was completed at Promontory Summit Feb 1, 1878 First postage stamp to honor a black women. Mar 23, 1882 Edmunds Act was passed. Sep 24, 1890 Day Brigham Young issued the Manifesto. Jun 4, 1903 Open pit copper mining starts. Feb 11, 1915 Day utah state capitol was completed.
