U.S. History Time Line By Hsquad2 Oct 12, 1492 Columbus Lands in America Period: Oct 12, 1492 to Dec 17, 1903 U.S. History Time Line May 4, 1607 The Settlement of Jamestown Jan 1, 1756 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 was Adopted Sep 28, 1781 The Battle of Yorktown May 1, 1787 The Constitutional Convention Mar 14, 1794 The invention of the cotton gin Jan 1, 1798 The Alien and Sedition Acts Jan 1, 1803 The Louisiana Purchase Jun 18, 1812 The War of 1812 Jan 1, 1820 The Missouri Compromise Dec 2, 1828 Andrew Jackson’s Election Jan 1, 1830 The invention of the telegraph Jan 1, 1837 The Panic of 1837 Jan 1, 1838 The Trail of Tears Apr 15, 1846 The Mexican-American War Sep 1, 1850 The Compromise of 1850 Apr 12, 1861 The Firing on Fort Sumter Jan 1, 1863 The Organization of Standard Oil Trust Jan 1, 1863 The Emancipation Proclamation January 1, 1863 - REAL DATE Apr 9, 1865 Surrender at Appomattox Courthouse Apr 15, 1865 Abraham Lincoln’s Assassination Dec 18, 1865 13th Amendment Adopted Feb 24, 1868 Andrew Johnson’s Impeachment First President to be Impeached Jul 9, 1868 14th Amendment Adopted Mar 30, 1870 15th Amendment Adopted Mar 10, 1876 Invention of the telephone Oct 22, 1879 The invention of the electric light Thomas Edison October: First Successful Test January 27, 1880 - Patent Granted Jun 30, 1892 The Homestead Strike May 11, 1894 The Pullman Strike (railroad) Apr 25, 1898 The Spanish-American War Sep 14, 1901 Theodore Roosevelt becomes president Dec 17, 1903 Invention of the Airplane