US History A Timeline By Livvy A. Aug 3, 1492 Christopher Columbus May 14, 1607 The Settlement of Jamestown Jul 3, 1754 The French and Indian War Dec 16, 1773 The Boston Tea Party Apr 19, 1775 The Battle of Lexington and Concord Jul 4, 1776 The Declaration of Independence Sep 28, 1781 The Battle of Yorktown May 25, 1787 The Constitutional Convention Mar 14, 1794 The Invention of the Cotton Gin Jun 18, 1798 The Alien and Sedition Acts Apr 30, 1803 The Louisiana Purchase Jun 18, 1812 The War of 1812 Mar 3, 1820 The Missouri Compromise Oct 31, 1828 Andrew Jackson’s Election May 10, 1837 The Panic of 1837 May 10, 1838 The Trail of Tears May 24, 1844 The Invention of the Telegraph Apr 25, 1846 The Mexican-American War Jan 29, 1850 The Compromise of 1850 Apr 12, 1861 The Firing on Fort Sumter Jan 1, 1863 The Emancipation Proclamation Jan 31, 1865 The 13th Amendment Apr 9, 1865 Surrender at Appomattox Courthouse Apr 15, 1865 Abraham Lincoln’s Assassination Feb 24, 1868 Andrew Johnson’s Impeachment Jul 9, 1868 The 14th Amendments Feb 26, 1869 The 15th Amendments Jan 1, 1870 The Organization of Standard Oil Trust The month and day for this event are incorrect due to the fact that I could only find the year. Mar 10, 1876 The Invention of the Telephone Oct 14, 1878 The Invention of the Electric Light Jul 20, 1894 The Pullman and Homestead Strikes Apr 25, 1898 The Spanish-American War Sep 14, 1901 Theodore Roosevelt becomes president Dec 17, 1903 The Invention of the Airplane