US History Timeline By Kathryn Hawkins Aug 3, 1492 The Discovery of America by Columbus May 4, 1607 The Settlement of Jamestown 1754 The French and Indian War Dec 16, 1773 The Boston Tea Party Apr 19, 1775 The Battle of Lexington and Concord Sep 28, 1781 The Battle of Yorktown May 27, 1787 The Constitutional Convention Jul 6, 1798 The Alien and Sedition Acts Apr 30, 1803 The Louisiana Purchase 1812 The War of 1812 1819 The Declaration of Independence Mar 3, 1820 The Missouri Compromise Dec 2, 1828 Andrew Jackson’s Election 1834 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 Oct 27, 1858 Theodore Roosevelt becomes president Apr 12, 1861 The Firing on Fort Sumter Sep 22, 1862 The Emancipation Proclamation 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 Feb 3, 1870 13th, 14th, 15th Amendments 1877 The invention of the electric light, telephone, and airplane 1892 The Pullman and Homestead Strikes 1898 The Spanish-American War 1974 The invention of the cotton gin