US History A Timeline By Eli Erickson 1492 Discovery of America by Columbus 1607 Settlement of Jamestown 1756 The French and Indian War Dec 16, 1773 Boston Tea Party Apr 19, 1775 Battle of Lexington and Concord Jul 4, 1776 Declaration of Independence Oct 19, 1781 Battle of Yorktown 1787 Constitutional Convention 1793 Invention of the cotton gin 1798 Alien and Sedition Acts 1803 Louisiana Purchase 1812 War of 1812 1819 Missouri Compromise 1828 Andrew Jackson's Election 1830 Trail of Tears Between 1830 and 1850, as it wasn't a one-time event. 1837 Invention of the telegraph May 10, 1837 Panic of 1837 1846 Mexican-American War 1849 Compromise of 1850 Apr 12, 1861 The Firing on Fort Sumter Jan 1, 1863 The Emancipation Proclamation 1863 The Organization of The Standard Oil Trust Apr 14, 1863 Abraham Lincoln Assassination Apr 9, 1865 Surrender at Appomattox Court House May 26, 1868 Andrew Johnson's Impeachment Jul 9, 1868 13th, 14th, 15th Amendments. 1894 Pullman and Homestead Strikes 1898 The Spanish-American War Sep 14, 1901 Theodore Roosevelt Becomes President 1903 The invention of the electric light, the telephone, and the airplane