US History A Timeline By 23611 Oct 12, 1492 The Discovery of America by Columbus May 14, 1607 The Settlement of Jamestown May 28, 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 Oct 19, 1781 The Battle of Yorktown May 25, 1787 The Constitutional Convention Mar 14, 1794 The invention of the cotton gin 1798 The Alien and Sedition Acts Apr 30, 1803 The Louisiana Purchase Jun 18, 1812 The War of 1812 Mar 6, 1820 The Missouri Compromise Nov 4, 1828 Andrew Jackson’s Election May 10, 1837 The Panic of 1837 1838 The Trail of Tears May 24, 1844 The invention of the telegraph Apr 25, 1846 The Mexican-American War 1850 The Compromise of 1850 Apr 12, 1861 The Firing on Fort Sumter Jan 1, 1863 The Emancipation Proclamation Apr 9, 1865 Surrender at Appomattox Courthouse Apr 14, 1865 Abraham Lincoln’s Assassination Dec 6, 1865 13th Amendment ratified May 16, 1868 Andrew Johnson’s Impeachment Jul 9, 1868 14th Amendment ratified Feb 3, 1870 15th Amendment ratified Mar 7, 1876 The invention of the telephone Oct 21, 1879 The invention of the electric light Jan 2, 1882 The Organization of Standard Oil Trust Jul 6, 1892 Homestead Strike May 11, 1894 Pullman Strike Apr 21, 1898 The Spanish-American War begins Sep 14, 1901 Theodore Roosevelt becomes president Dec 17, 1903 The invention of the airplane