U.S. Timeline By Ryfff 1492 Discovery of America by Columbus 1607 Settlement of Jamestown Period: 1754 to 1763 French and Indian war 1773 Boston tea party 1775 Battle of Lexington and Concord 1776 Declaration of Independence 1781 Battle of Yorktown 1787 Constitutional Convention 1793 Invention of cotton gin 1798 Alien and Sedition Acts 1803 Louisiana purchase Period: 1812 to 1815 War if 1812 1820 Missouri Compromise 1828 Andrew Jackson's election 1837 Panic of 1837 1837 Invention of telegraph Period: 1838 to 1839 Trail of tears Period: 1846 to 1848 Mexican-American war 1850 Compromise of 1850 1861 Firing on fort Sumter 1863 Emancipation proclamation 1865 13th Amendment 1865 Surrender at Appomattox courthouse 1865 Abraham Lincoln's assassination 1868 14th Amendment 1868 Andrew Johnson's impeachment 1870 15th Amendment 1876 Invention of telephone 1879 Invention of electric light 1882 Organization of standard oil trust Period: 1892 to 1894 Pullman and Homestead Strikes 1898 Spanish-American war 1901 Theodore Roosevelt Becomes President 1903 Invention of the Airplane