← U.S. History Timeline (1793-1855) Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All 1793 Eli Whitney invents the cotton gin 1798 Whitney invents interchangeable parts for firearms 1800 The Second Great Awakening begins 1807 Robert Fulton invents the steamboat 1823 Lowell Mills opens in Waltham, Massachusetts 1825 the Erie Canal is completed; New Harmony commune is founded 1826 The American Temperance Society is founded 1828 The first American railroad is completed 1830 Transcendentalist movement begins; Joseph Smith est. the Mormon Church 1831 Nat Turner leads a slave rebellion in Virginis; The Liberator is published 1833 The National Trades Union forms; Garriosn and Theodore Weld found the American Anti-Slavery Society 1834 Cyrus McCormick invents the mechanical mower-reaper 1836 The House of Representatives passes the "Gag Resolution" 1837 John Deere invents the steel plow; Oberlin college begins admitting women; Mary Lyon est. Mount Holyoke Seminary 1840 Van Buren est. a ten-hour working day for federal empoyees 1841 The Brook Farm commune is founded 1843 Dorothea Dix crusades for prison and insane-asylum reform 1846 Mormons begin migrating to Utah 1848 The Seneca Falls Women's Rights Convention is held; Oneida Community is founded 1850 Nathaniel Hawthorne publishes the Scarlet Letter 1851 Herman Melville publishes Moby-Dick 1852 The Cumberland Road is completed 1854 Henry David Thoreau writes Walden 1855 Walt Whitman publishes Leaves of Grass