French Louisiana French Louisiana The term French Louisiana refers to two distinct regions: Each term has been in use for many years. Colonial French Louisiana was a part of New France. Beginning in 1682 this region, known in French as "la Louisiane française", functioned as an administrative district of New France. It extended from the Gulf of Mexico to Vincennes, now in Indiana. France ceded the region to Spain and Britain in 1763 after the French and Indian War, regained it by treaty in 1800, and sold it to the United States in 1803 through the Louisiana Purchase. Greater New Orleans and
France in the Middle Ages the north of France, the "langue d'oïl" like Picard, Walloon, and Francien, were influenced by the Germanic languages spoken by the Frankish invaders. From the time period of Clovis I on, the Franks extended their rule over northern Gaul. Over time, the French language developed from either the Oïl language found around Paris and Île-de-France (the Francien theory) or from a standard administrative language based on common characteristics found in all Oïl languages (the lingua franca theory). "Langue d'oc", the languages which use "oc" or "òc" for "yes", is the language group in the south of France and northern Spain.