What caused the Civil War By jessica.pierce21 Aug 1, 1819 Missouri Applies to Become a State Period: Aug 1, 1819 to Apr 12, 1861 Causes of Civil War Jan 1, 1820 Missouri Compromise Nov 11, 1831 Nat Turner's Revolt Apr 1, 1836 Americans in Mexico Jan 1, 1845 Congress Passes Annexation of Texas May 1, 1846 Mexican-American War Feb 2, 1848 Mexican-American War Ends Sep 2, 1850 Two New Slave States Jan 1, 1852 Uncle Tom's Cabin is Published Jan 1, 1854 Kansas Nebraska Act/Bill Mar 6, 1857 Dred Scott Decision Oct 24, 1857 Kansas Becomes a Slave State Oct 16, 1859 John Brown's Raid on Harper's Ferry Jan 1, 1860 Abraham Lincoln is Elected Apr 12, 1861 Fort Sumter is Attacked---Start of the War