US History A Timeline By Sara Stromness Oct 12, 1492 Discovery of America by Columbus Period: Aug 24, 1519 to Aug 25, 1933 Mexican Indian War May 14, 1607 Settlement of Jamestown Period: Aug 24, 1754 to Aug 25, 1763 French and Indian War Dec 16, 1773 Boston Tea Party Apr 19, 1775 Battle of Lexington and Concord Jul 4, 1776 Declaration of Indipendance Period: Sep 28, 1781 to Oct 19, 1781 Battle of Yorktown Period: May 25, 1787 to Sep 17, 1787 Constitutional Convention Mar 14, 1798 Invention of Cotton Gin Jul 6, 1798 Alien Enemies Act Jul 14, 1798 Sedition Act Apr 30, 1803 The Louisiana Purchase Period: Jun 18, 1812 to Feb 18, 1815 War of 1812 Mar 3, 1820 The Missouri Compromise Period: Oct 31, 1828 to Dec 2, 1828 Andrew Jackson's Election Period: Aug 24, 1834 to Aug 25, 1836 Panic of 1837 Aug 24, 1837 Invention of Telegraph Period: Aug 24, 1838 to Aug 25, 1839 Trail of Tears Jan 29, 1850 Compromise of 1850 Apr 12, 1861 The Firing on Fort Sumter Period: Sep 22, 1862 to Jan 1, 1863 Emancipation Proclamation Aug 24, 1863 Organization of Standard Oil Trust Apr 9, 1865 Surrender at Appamattox Courthouse Apr 14, 1865 Abraham Lincoln's Assassination Dec 6, 1865 13th Amendment Feb 24, 1868 Andrew Johnson's Impeachment Jul 9, 1868 14th Amendment Feb 3, 1870 15th Amendment Mar 10, 1876 Invention of the Telephone Dec 31, 1879 Invention of Electric Light Jun 30, 1892 Pullman and Homestead Strikes Period: Apr 24, 1898 to Aug 25, 1898 Spanish-American War Aug 24, 1901 Theodore Roosevelt becomes president Dec 17, 1903 Invention of the Airplane