America's history By 1psycho 1492 Columbus Discovers America 1607 Settlement of Jamestown Period: 1754 to 1763 French and Indian War 1773 Boston Tea Party 1775 Battle of Lexington and Concord 1776 Declaration of Independence 1781 Battle of Yorktown 1787 Constitutional Convention 1794 Invention of the Cotton Gin 1798 Alien and Sedation Acts 1802 electric light invention 1803 Louisiana Purchase 1812 War of 1812 1817 Panic of 1817 1820 Missouri Compromise 1828 Andrew Jackson's Election 1831 Trail of Tears 1840 Telegraph Invention Period: 1846 to 1848 Mexican-American War 1850 Compromise of 1850 1861 Firing of Fort Sumter 1865 Abraham Lincoln's Assassanation 1865 Emancipation Proclamation 1865 13 Ammendment 1865 Surrender of Appomattox Courthouse 1868 14 Amendment 1868 Andrew Johnson's Impeachment 1870 15 Amendment Period: 1870 to 1911 Organization of Standard Oil Trust 1876 Invention of the Telephone 1895 Pollman and Homestead Strikes 1898 Spanish-American War 1903 Airplane Invention 1912 Theodore Roosevelt becomes President