HUSH By aalvelo04 Jul 4, 1776 Independence Jun 21, 1788 Ratification of Constitution Apr 30, 1803 Louisianna Purchase Mar 3, 1820 Congress passes Missouri Compromise Aug 21, 1831 Nat Turner's rebellion Mar 1, 1836 texas gains independence Feb 2, 1848 treaty of guadelupe hidalgo Sep 20, 1850 Compromise of 1850 Mar 6, 1857 Dred Scott decision