20 Most Important Events in American History By Zac Kemp Apr 19, 1775 Revolutionary War Jul 4, 1776 Signing of the Declaration of Independence Sep 3, 1783 Treaty of Paris Jun 21, 1788 Constitiution Ratified Jan 7, 1791 Whiskey Rebellion Jan 7, 1800 Revolution of 1800 Feb 24, 1803 Mabury vs Madison Apr 30, 1803 Louisana Purchase Jun 18, 1812 War of 1812 Mar 3, 1820 Missouri Comprimise Apr 25, 1847 Mexican American War Jan 24, 1849 Gold Rush Jan 29, 1850 Comprimise of 1850 May 30, 1854 Kansas Nebraska Act Mar 6, 1857 Dredd Scott Decision Aug 21, 1858 Lincoln-Douglas Debates Apr 12, 1861 Civil War Jan 1, 1863 Emancipation Proclamation Jan 31, 1865 13th Admendment Sep 24, 1869 Black Friday Scandal
