U.S. History Timeline By LizLou Period: Aug 2, 1492 to Oct 12, 1492 The Discovery of America by Columbus May 14, 1607 The Settlement of Jamestown Period: 1754 to 1763 The French and Indian War Dec 16, 1773 The Boston Tea Party Apr 19, 1775 The Battle of Lexington and Concord Jul 4, 1776 The Declaration of Independence Period: Sep 28, 1781 to Oct 19, 1781 The Battle of Yorktown Period: May 25, 1787 to Sep 17, 1787 The Constitutional Convention Mar 14, 1794 The invention of the cotton gin 1798 The Alien and Sedition Acts 1803 The Louisiana Purchase Period: Jun 18, 1812 to Feb 18, 1815 The War of 1812 1820 The Missouri Compromise Period: Oct 31, 1828 to Dec 2, 1828 Andrew Jackson’s Election Period: 1831 to 1877 The Trail of Tears 1837 The invention of the telegraph Period: 1837 to 1843 The Panic of 1837 Period: Apr 25, 1846 to Feb 2, 1848 The Mexican-American War Jan 29, 1850 The Compromise of 1850 Apr 12, 1861 The Firing on Fort Sumter Jan 1, 1863 The Emancipation Proclamation Period: 1863 to 1870 The Organization of Standard Oil Trust Period: 1865 to 1870 13th, 14th, 15th Amendments Apr 9, 1865 Surrender at Appomattox Courthouse Apr 15, 1865 Abraham Lincoln’s Assassination Feb 24, 1868 Andrew Johnson’s Impeachment Period: 1876 to 1903 The invention of the electric light, telephone, and airplane Period: 1892 to 1894 The Pullman and Homestead Strikes Period: Apr 21, 1898 to Aug 13, 1898 The Spanish-American War Sep 14, 1901 Theodore Roosevelt becomes president