States That Joined The Union Aksel By stjosephschoolrocks Mar 1, 1803 Ohio Apr 30, 1812 Louisiana Dec 11, 1816 Indiana Dec 10, 1817 Mississippi Dec 3, 1818 Illinois Dec 14, 1819 Alabama Mar 15, 1820 Maine Aug 10, 1821 Missouri Jun 15, 1836 Arkansas Jan 26, 1837 Michigan Mar 3, 1845 Florida Dec 29, 1845 Texas Dec 28, 1846 Iowa May 29, 1848 Wisconsin Sep 9, 1850 California May 11, 1858 Minnesota Feb 14, 1859 Oregon Feb 14, 1859 Oregon
