U.S. History Timeline By kategrave Period: 1492 to 1901 U.S. HISTORY TIMELINE Oct 12, 1492 Columbus discovers America May 14, 1607 Jamestoewn is settled Period: 1754 to 1763 The Fench and Indian War Dec 16, 1773 The Boston Tea party Apr 19, 1775 Battle of Lexington and Concord Jul 4, 1776 The Declaration of Independence Period: Sep 28, 1781 to Oct 19, 1781 The Battle of Yorktown Period: May 25, 1787 to Sep 17, 1787 The Constitutional Convention 1793 the Invention of the Cotton Gin 1798 The Alien and Sedition Acts 1802 The Invention of the Electric Light 1803 The Louisiana Purchase Period: Jun 18, 1812 to Feb 18, 1815 The War of 1812 1820 The Missouri Compromise Feb 3, 1820 15th Ammendment 1828 Andrew Jackson's election 1830 The Invention of the Telegraph 1830's to 1840's 1830 The Trail of Tears 1830's 1837 The Panic of of 1837 ended in mid 40's Period: 1846 to 1848 The Mexican-American War 1850 The Comrpomise of 1850 Apr 12, 1861 The Firing on Fort Sumter April 12-13 Jan 1, 1863 The Emancipation Proclamation Apr 9, 1865 Surrender at Appomattox Courthouse Apr 15, 1865 Assassination of Abraham Lincoln Dec 5, 1865 13th Ammendment Feb 24, 1868 Impeachment of Andrew Johnson Jul 9, 1868 14th Ammendment 1870 The Organization of Standard Oil Trust 1876 The Invention of the Telephone Period: Jul 1, 1892 to Jul 6, 1892 The Pullman and Homstead Strikes Period: Apr 21, 1898 to Aug 13, 1898 The Spanish-American War Sep 14, 1901 Theodore Roosevelt is Elected as President Dec 17, 1903 The Invention of the Airplane