US history- A Timeline By grayche Oct 12, 1442 Discovery of America May 14, 1667 Settlement of Jamestown 1754 French and Indian War Dec 16, 1773 Boston Tea party Apr 19, 1775 Battle of Lexington and Concord Jul 4, 1776 Declaration of Independence Sep 28, 1781 Battle of Yorktown May 25, 1787 Constitutional Convention 1793 Invention of the cotton gin 1796 Alien and Sedition Acts Apr 30, 1803 Louisiana Purchase Jun 18, 1812 War of 1812 1820 Missouri Compromise Dec 3, 1828 Andrew Jackson’s Election 1830 Trail of Tears 1837 Panic of 1837 Jan 6, 1838 Invention of the Telegraph May 13, 1846 Mexican American War 1850 Compromise of 1850 Apr 12, 1861 Firing of Fort Sumter Jan 1, 1863 Emancipation Proclamation 1865 13, 14, 15 amendments Apr 9, 1865 Surrender at Appomattox Courthouse Apr 14, 1865 Abe Lincoln’s assassination Feb 24, 1868 Andrew Jackson’s impeachment 1876 Invention of electric light, telephone, airplane Jan 2, 1882 Organization of standard oil trust 1894 Pullman and homestead strikes 1898 Spanish American War Sep 14, 1901 Theodore Roosevelt becomes president