French and Indian War the Colony of Canada (part of New France). They succeeded in capturing territory in surrounding colonies and ultimately the city of Quebec (1759). The British later lost the Battle of Sainte-Foy west of Quebec (1760), but the French ceded Canada in accordance with the Treaty of Paris (1763). France ceded its territory east of the Mississippi to Great Britain. It ceded French Louisiana west of the Mississippi River (including New Orleans) to its ally Spain in compensation for Spain's loss to Britain of Spanish Florida. (Spain had ceded Florida to Britain in exchange for the return of Havana, Cuba.) France's
St. Louis was founded in 1764 by French fur traders Pierre Laclède and Auguste Chouteau, and named after Louis IX of France. In 1764, following France's defeat in the Seven Years' War, the area was ceded to Spain and retroceded back to France in 1800. In 1803, the United States acquired the territory as part of the Louisiana Purchase. During the 19th century, St. Louis developed as a major port on the Mississippi River. In the 1870 Census, St. Louis was ranked as the 4th-largest city in the United States. It separated from St. Louis County in 1877, becoming an independent city