
What happened after the Louisiana Purchase?
... What changed for the U.S. and Oklahoma when President Jefferson bought Louisiana? On December 20, 1803, William C.C. Claiborne became the governor of Louisiana, the largest single territory ever owned by the United States. In an official ceremony in New Orleans, the French flag was lowered as the Am ...
... What changed for the U.S. and Oklahoma when President Jefferson bought Louisiana? On December 20, 1803, William C.C. Claiborne became the governor of Louisiana, the largest single territory ever owned by the United States. In an official ceremony in New Orleans, the French flag was lowered as the Am ...
History of St. Louis (1763–1803)

The history of St. Louis, Missouri from 1763 to 1803 was marked by the transfer of French Louisiana to Spanish control, the founding of the city of St. Louis, its slow growth and role in the American Revolution under the rule of the Spanish, and the transfer of the area to American control in the Louisiana Purchase.