US history timeline By Joemama727262 Oct 12, 1492 The Discovery of America by Columbus May 14, 1607 The Settlement of Jamestown Dec 16, 1763 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 (surrender of Cornwallis) May 25, 1784 The Constitutional Convention 1793 The invention of the cotton gin (Eli Whitney) 1798 The Alien and Sedition Acts 1803 The Louisiana Purchase 1812 The War of 1812 1820 The Missouri Compromise Mar 4, 1829 Andrew Jackson’s Election 1831 The Trail of Tears (forced removals) 1836 The invention of the telegraph (Samuel Morse) 1837 The Panic of 1837 1845 The Mexican-American War 1849 The Compromise of 1850 Apr 12, 1860 The Firing on Fort Sumter (Civil War begins) Jan 1, 1863 The Emancipation Proclamation Apr 9, 1864 Surrender at Appomattox Courthouse