US. History A Timeline By James Polasky Oct 12, 1492 Christopher Columbus Discovered America Period: Oct 12, 1492 to Feb 8, 1914 US. History A Timeline 1607 The Settlement of Jamestown 1754 The French and Indian War began 1763 The French and Indian War ended 1773 The Boston Tea Party 1775 The Battle of Lexington and Concord 1776 The Declination of Independence 1781 The Battle of Yorktown 1787 The Constitutional Convection 1793 The invention of cotton gin 1798 The Alien and Sedition Acts 1803 Louisiana was purchased 1812 The War of 1812 began 1815 The War of 1812 ended 1820 The Missouri Compromise 1828 Andrew Jackson became President 1830 The Trail of Tears 1837 The invention of the telegraph 1837 The Panic of 1837 1846 The Mexican American War began 1848 The Mexican American War ended 1850 The compromise of 1850 1861 The Firing of Fort Sumter 1861 The emancipation proclamation was issued 1863 The Organization of Standard Oil Trust 1865 Abraham Lincoln's Assassination 1865 13th, 14th, and 15th amendments were adopted 1868 Andrew Jackson's Impeachment 1876 The Telephone was invented 1879 The light bulb was invented 1892 The Pullman and Homestead strikes 1898 The Spanish American War 1901 Theodore Roosevelt became President 1906 The Airplane was invented