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
Succession to the French throne V would predecease Charles VI, and it was his infant son who would become "King of France". The Dauphin still had his supporters, and became Charles VII. Eventually, the tide would turn in favor of the French, and the English were driven out. The Treaty of Troyes, which had been ratified by the Estates-General of France, was never repudiated, but the military victory of Charles VII rendered its provisions moot. The Kings of England would thereby continue to call themselves "Kings of England and France", dropping the nominal claim to France only in 1800. Thus emerged the principle of the