US History Timeline By Pinkeon Oct 12, 1492 The Discovery of America by Columbus May 14, 1607 The settlement in Jamestown 1754 The French and Indian War Dec 8, 1765 The invention of the Cotton gin Dec 16, 1773 The Boston tea party Apr 19, 1775 Battles of Lexington and Concord Jul 4, 1776 The Declaration of Independents Sep 28, 1781 The Battle of Yorktown May 14, 1787 The Constitutional Convention 1798 The Alien and Sedition Acts 1803 The Louisiana Purchase 1805 Invention of the Electric Lights Jun 18, 1812 The War of 1812 1820 The Missouri Compromise 1828 Andrew Jackson's election 1830 The Trail of Tears 1837 The Panic of 1837 May 24, 1844 The Invention of the telegraph Apr 25, 1846 The Mexican-American War 1850 The Compromise of 1850 Apr 12, 1861 The firing on Fort Sumter Sep 22, 1862 The Emancipation Proclamation Apr 9, 1865 Surrender at Appomattox Courthouse Apr 15, 1865 Abraham Lincoln's Assassination Feb 24, 1868 Andrew Johnson's impeachment 1870 13th 14th 15th Amendments 1870 The Organization of Standard Oil Trust 1876 Invention of the telephone 1892 The Pullman and Homestead Strikes Apr 21, 1898 The Spanish-American War 1901 Theodore Roosevelt becomes President Dec 17, 1903 Invention of the Airplane