Manifest Timline By laniafernatt Mar 16, 1768 Tecumseh Jan 1, 1803 Louisiana Purchase Aug 17, 1807 Clermont Steamboat Feb 16, 1811 Promphestown Feb 10, 1817 Seminole Wars Feb 16, 1819 Spanish cession Feb 8, 1821 Santa Fe Tail Oct 26, 1825 Erir Canal Opens Feb 8, 1830 Oregon Territory Feb 8, 1830 Oregon Trail May 28, 1830 Indian removal act Feb 10, 1835 Treaty of New Echota Mar 6, 1836 The Alamo Mar 6, 1836 Jim Bowie Feb 8, 1838 Trail of Tears May 24, 1844 First Telegraph Dec 29, 1845 Texas Statehood May 10, 1846 Donner Party Jun 15, 1846 Oregon Treaty Jan 24, 1848 Sutter's Mill Feb 10, 1848 Mexican Cession Feb 16, 1848 Mexican cession Sep 9, 1850 California Statehood Dec 8, 1853 Gasden Purchase Feb 10, 1863 Frist Transcontinental railroad Mar 30, 1867 Alaska Purchased May 10, 1869 Golden Spike Jan 29, 1879 Little Big Horn Dec 29, 1890 Wounded Knee Massacre Feb 14, 1912 Arizona statehood Feb 16, 2016 Civil War