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
Catholic Church in French Louisiana Catholic Church in French Louisiana The Catholic Church in French Louisiana was ushered in with the establishment of colonies and forts in Detroit (1701), St. Louis, Mobile (1702), Biloxi, Baton Rouge, and New Orleans(1718). The French possessions of North America were under the authority of a single diocese, whose seat was in Quebec. The archbishop, named and remunerated by the king, was spiritual head of all New France. With loose religious supervision, the fervor of the population was very weak; Louisianans tended to practice their faith much less than their counterparts in France and Canada. The tithe, a tax by