Timeline of States Entering the Union Between 1800 and 1900 By terminato898 Mar 1, 1803 Ohio Enters Union Apr 30, 1812 Louisiana Enters Union Dec 11, 1816 Indiana Enters Union Dec 10, 1817 Mississippi Enters Union Dec 3, 1818 illinois Enters Union Dec 14, 1819 Alabama Enters Union Mar 15, 1820 Maine Enters Union Aug 10, 1821 Missouri Enters Union Jun 15, 1836 Arkansas Enters Union Jan 26, 1837 Michigan Enters Union Mar 3, 1845 Florida Enters Union Dec 29, 1845 Texas Enters Union Dec 28, 1846 Iowa Enters Union May 26, 1848 Wisconsin Sep 9, 1850 California Enters Union May 11, 1858 Minnesota Enters Union Feb 14, 1859 Oregon Enters Union Jan 29, 1861 Kansas Enters Union Jun 20, 1863 West Virginia Enters Union Oct 31, 1864 Nevada Mar 1, 1867 Nebraska Enters Union Aug 1, 1876 Colorado Enters Union Nov 2, 1889 North and South Dakota Enter Union Nov 8, 1889 Montana Enters Union Nov 11, 1889 Washington Enters Union Jul 3, 1890 Idaho Enters Union Jul 10, 1890 Wyoming Enters Union Jan 4, 1896 Utah Enters Union
