30 Apr 1803: Louisiana Purchase,The United States purchased a vast territory from France for $15 million, nearly doubling the size of the country.
2
1804
14 May 1804: Lewis and Clark Expedition begins,Meriwether Lewis and William Clark began their expedition to explore the newly acquired Louisiana Territory.
2 Dec 1804: Jefferson reelected,Thomas Jefferson was reelected as President of the United States.
