History of St. Louis (1763–1803) 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, the transfer of the area to American control in the Louisiana Purchase, and its steady growth and prominence since then. In mid-1763, French Governor Jean-Jacques Blaise d'Abbadie granted a trade monopoly over the west upper Mississippi region to Gilbert Antoine de St. Maxent, a New Orleans merchant. Maxent quickly engaged the
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