HUSH By em19299 Jul 7, 1776 Independance Sep 17, 1787 Ratification of Constitution Apr 30, 1803 LA Purchase Feb 14, 1820 CO Compromise Aug 21, 1831 Nat Turners Rebellion Mar 2, 1836 TX Independence Feb 2, 1848 Treaty of Guadelupe Hidalgo Jan 29, 1850 Compromise of 1850 Mar 6, 1857 Dred Scott Decision Dec 20, 1860 SC secession Sep 17, 1862 Antietam Battle May 18, 1863 Vicksburg Battle Jul 1, 1863 Gettysburg Battle