AMERICAN HISTORY DATES By jjdorny 1492 The Discovery of America by Columbus 1607 The Settlement of Jamestown Period: 1753 to 1763 The French and Indian War 1773 The Boston Tea Party 1775 The Battle of Lexington and Concord 1776 The Declaration of Independence 1781 The Battle of Yorktown 1787 The Constitutional Convention 1798 The Alien and Sedition Acts 1803 The Louisiana Purchase 1807 The Invention of the Cotton Gin 1812 The War of 1812 1820 The Missouri Compromise 1824 Andrew Jacksons Election 1830 Invention of Telegraph Period: 1837 to 1843 Panic of 1837 1838 The Trail of Tears Period: 1846 to 1848 Mexican American War 1850 Compromise of 1850 1854 13th, 14th, 15th amendments 1861 Firing on Fort Sumter Period: 1862 to 1863 The Emancipation Proclamation 1865 Surrender at Appomattox Courthouse 1865 Abraham Lincolns Assassination 1868 Andrew Johnson's Impeachment Period: 1876 to 1957 The invention of the electric light, telephone, and airplane 1879 The Organization of Standard Oil Trust 1892 The Pullman and Homestead Strikes 1898 The Spanish American War 1901 Theodore Roosevelt becomes president