U.S. History timeline By theonilsson28 Aug 2, 1492 The Discovery of America by Columbus Period: Aug 3, 1492 to Aug 2, 1914 U.S. History A timeline May 14, 1607 Jamestown May 28, 1754 The French and Indian War Dec 16, 1773 Boston tea party Apr 19, 1775 The Battle of Lexington and Concord Jul 4, 1776 The Declaration of Independence May 27, 1778 The Constitutional Convention Sep 28, 1781 The Battle of Yorktown Jul 4, 1798 The Alien and Sedition Acts Oct 28, 1798 The invention of the cotton gin Apr 30, 1803 The Louisiana Purchase Jun 18, 1812 The War of 1812 Mar 3, 1820 The Missouri Compromise Dec 2, 1828 Andrew Jackson’s Election May 12, 1830 The Trail of Tears May 10, 1836 The Panic of 1837 May 24, 1844 The invention of the telegraph Apr 25, 1846 The Mexican-American War Jun 29, 1850 The Compromise of 1850 Apr 12, 1861 The Firing on Fort Sumter Sep 22, 1862 The Emancipation Proclamation Apr 9, 1865 Surrender at Appomattox Courthouse Apr 14, 1865 Abraham Lincoln’s Assassination Feb 24, 1868 Andrew Johnson’s Impeachment Feb 3, 1870 13th, 14th, 15th Amendments Feb 18, 1870 The Organization of Standard Oil Trust Apr 11, 1898 The Spanish-American War Sep 14, 1901 Theodore Roosevelt becomes president Jul 3, 1903 The invention of the electric light, telephone, and airplane Jun 30, 1992 The Pullman and Homestead Strikes