US History Timeline By sierraharv Mar 3, 1820 Missouri Compromise Dec 2, 1823 Monroe Doctrine Feb 24, 1836 Battle of the Alamo Jan 1, 1837 Panic of 1837 Jan 1, 1838 Trail of Tears Jan 1, 1841 Pre-emption Act Apr 25, 1846 US Mexican War Jun 1, 1846 Bear Flag revolt Jan 29, 1850 Compromise of 1850 Sep 18, 1850 Fugitive Slave Law Jan 1, 1855 Bleeding Kansas Mar 6, 1857 Dred Scott decision Oct 16, 1859 Harper's Ferry Raid Dec 20, 1860 South Carolina Secedes Jan 9, 1861 Mississippi secedes Jan 10, 1861 Florida secedes Jan 11, 1861 Alabama secedes Jan 16, 1861 Georgia secedes Jan 26, 1861 Louisiana secedes Feb 2, 1861 Texas secedes Apr 12, 1861 Civil War Apr 16, 1861 Virginia secedes May 20, 1861 North Carolina secedes Jun 8, 1861 Tennessee secedes Jul 1, 1863 Battle at Gettysburg Nov 16, 1863 Gettysburg Address Dec 1, 1863 Emancipation Proclomation Jan 31, 1865 13th amendment Jan 28, 1868 14th amendment Feb 3, 1870 15th amendment