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
French language in the United States the form of French spoken in the early days of settlement in the lower Mississippi River valley, and was once the language of the educated land-owning classes. Cajun French, derived from Acadian French, is said to have been introduced with the arrival of Acadian exiles in the 18th century. The Acadians, the francophone inhabitants of Acadia (modern Nova Scotia, New Brunswick, Prince Edward Island, and northern Maine), were expelled from their homeland between 1755 and 1763 by the British. Many Acadians settled in lower Louisiana, where they became known as Cajuns (a corruption of "Acadians"). Their dialect was regarded as