hush timeline By tylorb Jul 4, 1776 U.S. independence Sep 17, 1781 ratification of the constitution Jan 1, 1804 Louisiana Purchase during 1803 to 1804 Jan 1, 1820 Missouri Compromise year only Aug 15, 1831 Nat turner's rebellion exclude the day Mar 2, 1836 Texas independe Jan 1, 1848 Treaty of Guadelupe Hidalgo only year Sep 15, 1850 compromise of 1850 exclude the day Jan 1, 1857 dred scott decsion only year Dec 24, 1860 secession of South Carolina Apr 12, 1861 start of civil war Sep 17, 1862 battle of antietam May 18, 1863 battle of Vicksburg Jul 1, 1863 battle of Gettyburg May 10, 1865 civil war end