U.S History By bdog-01 Aug 12, 1492 Columus discover the Americas Period: Oct 12, 1492 to Aug 2, 1914 Timespan May 13, 1607 Jamestown founded Period: Jan 1, 1754 to Dec 31, 1763 French and Indian war Dec 16, 1773 Boston Tea Party Apr 19, 1775 The Battles of Lexington and Concord Jul 4, 1776 Declaration of Indepence signed Period: Sep 28, 1781 to Oct 19, 1781 The Battle of Yorktown Period: May 25, 1787 to Sep 17, 1787 The Constitutional Convention Jan 1, 1793 Invention of the Cotton Gin Jan 1, 1798 Alien and Sedition acts Jan 1, 1803 The Louisiana Purchase Jun 18, 1812 War of 1812 Jan 1, 1820 Missouri Compromise Jan 1, 1828 Andrew Jackson Elected Jan 1, 1837 Panic of 1837 Aug 24, 1837 Telegraph Invented Period: Jan 1, 1838 to Dec 31, 1839 Trail of tears Period: Apr 1, 1846 to Feb 1, 1848 Mexican-American War Jan 29, 1850 Compromise of 1850 Apr 12, 1861 Firing on Fort Sumter Jan 1, 1863 Emancipation Proclamation Jan 1, 1865 13th Amendment Apr 9, 1865 Surrender at Appomattox Courthouse Apr 14, 1865 Abraham Lincoln Assassinated Jan 1, 1868 14th Amendment Feb 24, 1868 Andrew Johnson's Impeachment Jan 1, 1870 15th Amendment Jan 1, 1870 The Organization of Standard Oil Trust Jan 1, 1876 Telephone Invented Jan 1, 1879 Electric Light Invented Jan 1, 1892 Homestead Strike Jan 1, 1894 Pullman Strike Period: Apr 1, 1898 to Aug 1, 1898 Spanish-American War Jan 1, 1901 Theodore Roosevelt Becomes President Jan 1, 1903 Airplane Invented