U.S. History A Timeline By ZaneyK Oct 12, 1492 Christopher Colombus Discovers America Period: Oct 12, 1492 to Aug 2, 1914 U.S. History A Timeline May 13, 1607 Settlement of Jamestown May 28, 1754 French and Indian War Dec 16, 1773 Boston Tea Party Apr 19, 1775 Battles of Lexington Sep 28, 1781 Battle of Yorktown May 25, 1787 Constitutional Convention 1794 Invention of the Cotton Gin 1798 Alien and Sedition Acts 1801 Luoisiana Purchase 1812 War of 1812 1818 Declaration of Independance Mar 3, 1820 Missouri Compromise Oct 31, 1828 Andrew Jacksons Election May 10, 1837 Panic of 1837 1838 The Trail of Tears May 24, 1844 Invention of the Telegraph Apr 25, 1846 Mexican American War Jan 29, 1850 Compromise of 1850 Oct 27, 1858 Theodore Roosevelt Becomes President Apr 12, 1861 Firing of Fort Sumter Jan 1, 1863 Emancipation Proclamation 1863 Orginization of Standard Oil Trust 1865 13th Ammendment Apr 9, 1865 Surrender at Appomattox Court House Apr 14, 1865 Abraham Lincoln's Assasination 1868 14th Ammendment Feb 24, 1868 Andrew Johnson's Impeachment 1870 15th Amendment Mar 10, 1876 Invention of Telephone Oct 14, 1878 Invention of the Electric Light Jun 30, 1892 Pullman and Homestead Strike Apr 21, 1898 Spanish American War Dec 17, 1903 Invention of Airplane