US history A timeline By kimmyyy Oct 12, 1492 the discovery of America by Columbus Oct 12, 1492 the discovery of America by Columbus May 14, 1607 the settlement of jamestown 1754 the French and Indian war Nov 16, 1773 the Boston tea party Apr 19, 1775 the battle of Lexington and Concord Jul 4, 1776 the declaration of independence Sep 19, 1781 the battle of yorktown Apr 25, 1787 the constitutional convention Mar 14, 1798 the invention of cotton gin Jun 18, 1798 the alien and sedition acts 1803 the Louisiana purchase Jun 18, 1812 the war of 1812 Mar 6, 1820 the Missouri compromise