United States By brandoncates11 1607 Founded Jamestown 1620 Plymouth Colony 1733 13 colonies have been founded 1763 End of seven year war 1773 Boston tea party 1774 First Continental Congress Jul 4, 1776 Declaration of Idependence 1777 Americans won Saratoga 1781 American Revolution 1783 Treaty of Paris 1801 Jefferson became President 1803 Louisiana purchase 1828 Andrew Jackson became President 1860 Abraham Lincoln became President 1863 Gettysburg