U.S. History A Timeline By aubre_marsh Oct 12, 1492 The Discovery of America by Columbus May 14, 1607 The Settlement of Jamestown 1754 The French and Indian War Dec 16, 1773 The Boston Tea Party Sep 26, 1781 The Battle of Yorktown The Constitutional Apr 19, 1785 The Battle of Lexington and Concord Jul 19, 1785 The Declaration of Independence 1793 The invention of the cotton gin 1798 The Alien and Sedition Acts Jul 4, 1803 The Louisiana Purchase 1812 The War of 1812 1820 The Missouri Compromise 1828 Andrew Jackson’s Election 1837 The invention of the telegraph 1850 The Compromise of 1850 1850 The Trail of Tears Apr 12, 1860 The Mexican-American War Apr 14, 1861 The Firing on Fort Sumter Apr 14, 1864 Surrender at Appomattox Courthouse Aug 22, 1864 The Emancipation Proclamation Apr 14, 1865 Abraham Lincoln’s Assassination Feb 24, 1868 Andrew Johnson’s Impeachment 1870 13th, 14th, 15th Amendments 1865 1868 1870 Jan 2, 1882 The Organization of Standard Oil Trust 1894 The Pullman and Homestead Strikes 1898 The Spanish-American War Sep 14, 1901 Theodore Roosevelt becomes president 1902 The invention of the electric light, telephone, and airplane