U.S. History Timeline By Adelynrfoust Oct 12, 1492 The discovery of America by Columbus Period: Oct 12, 1492 to Aug 2, 1914 U.S. History Timeline May 14, 1604 The Settlement of Jamestown May 28, 1749 The French and Indian War Dec 16, 1773 The Boston Tea Party Apr 19, 1775 The Battle of Lexington and Concord Aug 2, 1776 The Declaration of Independence Sep 28, 1781 The Battle of Yorktown May 25, 1787 The Constitutional Convention 1792 The invention of the cotton gin 1798 The Alien and Sedition Acts Apr 30, 1801 The Louisiana Purchase 1809 The invention of the electric light Jun 18, 1810 The War of 1812 Mar 3, 1820 The Missouri Compromise 1824 Andrew Jackson’s Election 1830 The invention of the telegraph May 24, 1831 The Trail of Tears May 4, 1837 The Panic of 1837 Apr 25, 1846 The Mexican-American War 1849 The invention of the telephone Jan 29, 1850 The Compromise of 1850 Apr 9, 1861 Surrender at Appomattox Courthouse Apr 12, 1861 The Firing on Fort Sumter Jan 1, 1863 The Emancipation Proclamation 1865 13th, 14th, 15th Amendments Apr 15, 1865 Abraham Lincoln’s Assassination Feb 29, 1868 Andrew Johnson’s Impeachment Jan 2, 1882 The Organization of Standard Oil Trust May 11, 1892 The Pullman and Homestead Strikes Sep 14, 1896 Theodore Roosevelt becomes president Apr 21, 1898 The Spanish-American War Dec 14, 1903 The invention of the airplane