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
France in the Seven Years' War had managed to land in Northern Ireland before he was hunted down and killed by the British navy. In the wake of the disaster at Quiberon, Thurot was lionised as a hero in France. By this stage France's finances were in a poor state, despite the efforts of Silhouette to keep down expenditure, and France was only kept afloat by a major loan from neutral Spain. Despite the Spanish government's official policy of neutrality, they were slowly shifting towards supporting an outright pro-French position, encouraged by Choiseul. In December 1761, war finally broke out between Britain and Spain - but