US History A By SilentYeti Oct 12, 1492 Discovery of America Period: Oct 12, 1492 to 1903 America's History A Timeline May 14, 1607 Settlement of Jamestown 1754 French and Indian War Dec 8, 1765 The Invention of The Cotton Gin Dec 16, 1773 The Boston Tea Party 1775 The Battle of Lexington and Concord Jul 4, 1776 The Declaration of Independance Sep 28, 1781 The Battle of Yorktown May 25, 1787 The Constitutional Convention 1798 The Alien and Sedition Acts 1802 Invention of the Electric Light Jul 4, 1803 The Louisiana Purchase Jun 18, 1812 The War of 1812 Mar 6, 1820 The Missouri Compromise Oct 31, 1828 Andrew Jackson's Election May 16, 1836 The Trail of Tears 1837 The Panic of 1837 1838 The Invention of The Telegraph Apr 25, 1846 The Mexican-American War 1850 The Compromise of 1850 Apr 12, 1861 The Firing on Fort Sumter Jan 1, 1863 The Emancipation Proclamation 1865 13th Amendment Apr 15, 1865 Surrender at Appomattox Courthouse Apr 15, 1865 Abraham Lincoln's Assassination 1868 14th Amendment Feb 24, 1868 Andrew Johnson's Impeachment 1870 15th Amendment 1870 The Organization of Standard Oil Trust 1875 Invention of the Telephone Jul 1, 1892 The Pullman and Homestead Strikes Apr 21, 1898 The Spanish-American War Sep 14, 1901 Theodore Roosevelt Becomes President 1903 Invention of the Airplane