United States History By Dabookworm 17 The Constitutional Convention May 25–September 17, 1787 1492 The Discovery of America by Columbus May 4, 1607 The Settlement of Jamestown 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 Oct 19, 1781 The Battle of Yorktown 1794 The invention of the cotton gin 1798 The Alien and Sedition Acts 1798 1803 The Louisiana Purchase 1812 The War of 1812 1820 The Missouri Compromise 1828 Andrew Jackson’s Election 1830 The Trail of Tears 1837 The invention of the telegraph 1837 The Panic of 1837 1846 The Mexican-American War 1850 The Compromise of 1850 1861 The Firing on Fort Sumter Sep 22, 1862 The Emancipation Proclamation 1864 13th, 14th, 15th Amendments Apr 9, 1865 Surrender at Appomattox Courthouse Apr 14, 1865 Abraham Lincoln’s Assassination Feb 24, 1868 Andrew Johnson’s Impeachment 1870 The Organization of Standard Oil Trust 1879 The invention of the electric light 1879 The invention of the telephone 1892 Homestead strike 1894 Pullman Railroad strike 1898 The Spanish-American War 1901 Theodore Roosevelt becomes president Dec 17, 1903 The invention of the Airplane