U.S. History Timeline By iMelissaWi Oct 12, 1492 The Discovery of America by Columbus Period: Oct 12, 1492 to Aug 2, 1914 U.S. History a Timeline May 14, 1607 Settlement of Jamestown May 28, 1754 French and Indian War Dec 16, 1773 Boston Tea Party Apr 19, 1775 Battle of Lexington of Concord Jul 4, 1776 The Declaration of Independence Signing Sep 28, 1781 The Battle of Yorktown May 25, 1787 The Constitutional Convention Mar 14, 1794 Patent 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 Dec 2, 1828 Andrew Jackson’s Election Jan 1, 1836 Trail of Tears (Only the year is definitely accurate) May 10, 1837 The Panic of 1837 May 24, 1844 Invention of the Telegraph (first successful message) 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 1, 1865 13th, 14th, 15th Amendments (Only found years 1865-1870) Apr 9, 1865 Surrender at Appomattox Courthouse Apr 15, 1865 Abraham Lincoln’s Assassination Feb 24, 1868 Andrew Johnson’s Impeachment Jan 1, 1879 The Organization of Standard Oil Trust Jan 1, 1892 The Pullman and Homestead Strikes Apr 1, 1898 The Spanish-American War Sep 1, 1901 Theodore Roosevelt becomes president Jan 1, 1903 The invention of the electric light, telephone, and airplane