US History timeline. By LlamaBurger Period: Jan 1, 1492 to Dec 31, 1903 US Timeline Oct 12, 1492 Discovery of America. The Discovery of America by Columbus. May 13, 1607 Settlement of Jamestown 1754 The French and Indian war. Dec 16, 1773 The Boston tea party Apr 19, 1775 Battles of Lexington and Concord. Jul 4, 1776 The Declaration of Independence. Sep 28, 1781 The Battle of Yorktown May 25, 1787 The Constitutional convention. 1794 The invention of the cotton gin. 1798 The Alien and Sedition acts 1802 The invention of the electric light. 1803 The Louisiana Purchase Jun 18, 1812 The War of 1812 Mar 3, 1820 The Missouri compromise. Oct 31, 1828 Andrew Jackson's Election. 1830 The Invention of the telegraph. 1831 The Trail of tears. May 10, 1837 The panic of 1837 Apr 25, 1846 The Mexican and American war. Jan 29, 1850 The compromise of 1850 Apr 12, 1861 The Firing on Fort Sumter. Sep 22, 1862 The Emancipation proclamation. Jan 31, 1865 The 13th amendment. Which abolished slavery. Apr 9, 1865 Surrender at Appomattox Courthouse. Apr 15, 1865 Abraham Lincoln's assassination. Feb 24, 1868 Andrew Johnson's impeachment. Aug 9, 1868 The 14th amendment. 1870 The Organization of standard Oil Trust. Feb 3, 1870 The 15th amendment. 1876 The invention of the Telephone. Jun 30, 1892 The Homestead Strike. May 11, 1894 The Pullman Strike. Apr 21, 1898 The Spanish American war. Sep 14, 1901 Theodore Roosevelt becomes president. 1903 The Invention of the Airplane.