US History A Timeline By P.T.Adlard Oct 10, 1492 discovery of america May 14, 1607 settlement of Jamestown Period: 1754 to 1763 french and indian war Dec 16, 1773 Boston Tea Party Apr 19, 1775 Battle of Lexington and Concord Jul 4, 1776 Declaration of Independence 1781 Battle of Yorktown Sep 17, 1787 Constitutional Convention 1793 invention of the cotton gin 1798 Alien and Sedition Acts 1802 The invention of the electric light 1803 Louisiana Purchase 1812 War of 1812 1819 Missouri Compromise 1826 Andrew Jackson’s Election Period: 1830 to 1850 trail of tears 1837 Panic of 1837 1838 invention of the telegraph Period: 1846 to 1848 Mexican-American War 1850 Compromise of 1850 1858 Theodore Roosevelt becomes president 1861 Firing on Fort Sumter Period: 1861 to 1865 Surrender at Appomattox Courthouse 1862 Emancipation Proclamation 1865 Abraham Lincoln’s Assassination 1868 Andrew Johnson’s Impeachment 1876 invention of the telephone 1882 The Organization of Standard Oil Trust 1892 13th, 14th, and 15th Amendments 1892 The Pullman and Homestead Strikes Period: Apr 25, 1898 to Aug 12, 1898 The Spanish-American War 1903 invention of the airplane