US History A Timeline By madelinee2005 Oct 12, 1492 Columbus Discovers America Period: Oct 12, 1492 to Dec 17, 1903 US History A Timeline May 14, 1607 Settlement of Jamestown May 28, 1754 The French-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 is Ratified Sep 28, 1781 The Battle of Yorktown May 25, 1787 The Constitutional Convention Mar 14, 1794 The Cotton Gin is Invented Jul 14, 1798 The Alien and Sedition Acts Apr 30, 1803 The Louisiana Purchase 1807 The Organization of Standard Oil Trust Jun 18, 1812 The War of 1812 Mar 3, 1820 The Missouri Compromise Oct 31, 1828 Andrew Jackson Gets Elected 1830 The Invention of the Telegraph 1831 The Trail of Tears May 10, 1837 The Panic of 1837 Apr 25, 1846 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 Jan 31, 1865 The 13th Amendment is Passed Apr 9, 1865 The Surrender at Appomattox Courthouse Apr 15, 1865 Abraham Lincoln's Assassination Feb 24, 1868 Andrew Johnson's Impeachment Jul 28, 1868 The 14th Amendment is Passed Feb 26, 1869 The 15th Amendment is Passed Mar 10, 1876 Invention of the Telephone Oct 14, 1878 Invention of the Electric Light Bulb Jul 20, 1894 The Pullman and Homestead Strikes Apr 21, 1898 The Spanish-American War Dec 17, 1903 Invention of the Airplane Sep 14, 1904 Theodore Roosevelt Becomes President