US History Timeline By J-HopesEars Aug 3, 1492 The Discovery of America by Columbus May 14, 1604 The Settlement of Jamestown 1754 The French and Indian War Jul 10, 1754 The Albany Plan of Union Dec 17, 1773 The Boston Tea Party Apr 19, 1775 The Battle of Lexington and Concord Jul 4, 1776 The Declaration of Independence Sep 28, 1781 The Battle of Yorktown May 27, 1787 The Constitutional Convention Mar 14, 1794 The Invention of the Cotton Gin Jul 14, 1798 The Alien and Sedition Acts 1801 The Louisiana Purchase Jun 18, 1812 The War of 1812 Mar 3, 1820 The Missouri Compromise Nov 2, 1832 Andrew Jackson’s Election 1838 The Trail of Tears May 24, 1844 The Invention of the Telegraph 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 End of Reconstruction Jan 1, 1863 The Emancipation Proclamation 1865 13th Amendment Apr 9, 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 Mar 10, 1876 The Invention of the Telephone 1879 The Invention of the Electric Light Jun 30, 1892 The Pullman and Homestead Strikes 1895 The Organization of Standard Oil Trust Apr 21, 1898 The Spanish-American War Dec 17, 1903 The Invention of the Airplane Nov 8, 1904 Theodore Roosevelt becomes president