US History A timeline By yermum 1492 Columbus discovers America May 14, 1607 Settlement of Jamestown Period: 1754 to 1763 The French and Indian War Dec 16, 1773 Boston Tea Party Apr 19, 1775 The Battles of Lexington and Concord Jul 4, 1776 Declaration of Independence Sep 28, 1781 The Battle of Yorktown Period: May 25, 1787 to Sep 17, 1787 Constitutional Convention 1794 The Invention of the Cotton Gin Jul 6, 1798 The Alien and Sedition Acts Apr 30, 1803 The Louisiana Purchase Period: Jun 18, 1812 to Feb 18, 1815 The war of 1812 Mar 2, 1820 The Missouri Compromise 1828 Andrew Jackson's Election Period: 1831 to 1850 The Trail of Tears May 10, 1837 The panic of 1837 1843 The invention of the telegraph Period: Apr 25, 1846 to Feb 2, 1848 Mexican American War 1850 Compromise of 1850 Period: Apr 12, 1861 to Apr 13, 1861 Firing on Fort Sumter 1863 Organization of the Standard Oil Trust Jan 1, 1863 The Emancipation Proclimation Jan 31, 1865 13th Amendment Passed Period: Apr 9, 1865 to Apr 15, 1865 Surrender at Appomattox Courthouse Apr 15, 1865 Lincoln's assassination Jun 8, 1866 14th Amendment Passed Feb 24, 1868 Andrew Jackson's impeachment Feb 26, 1869 15th Amendment Passed Mar 7, 1876 Telephone invented Jun 30, 1892 Homestead Strike May 11, 1894 Pullman Strike Period: Apr 21, 1898 to Dec 10, 1898 Spanish-American War 1901 Theodore Roosevelt becomes President Dec 17, 1903 Airplane invented 1979 Electric lightbulb invented