U.S. History By kcalexander19 Aug 3, 1492 Christopher Columbus first land in the Americas Dec 6, 1607 The founding of Jamestown Period: Apr 19, 1775 to Sep 17, 1787 The Revolutionary War Jul 4, 1776 The Declaration of independence Sep 17, 1787 The US constitution is written Apr 30, 1803 The Louisiana Purchase Period: Jun 18, 1812 to Mar 23, 1815 The War of 1812 1820 The Missouri Compromise Period: Apr 25, 1846 to Feb 2, 1848 The Mexican – American War Jan 29, 1850 Compromise of 1850 Period: Apr 12, 1861 to May 9, 1865 The American Civil War Period: Jan 1, 1863 to Mar 31, 1877 Rreconstruction Era Sep 18, 1873 The Glided Age