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
Monarchies in the Americas souls remained, mainly in the Eastern part of the Island. Through the Treaty of Riswick in 1697, King Louis XIV received the western third of the Island from Spain as retribution and formalized the first French pirate settlement in existence since the mid-1600s, with the colony administered by a governor-general representing the French crown, an arrangement that stood until the French Revolution toppled the monarchy of France on 21 September 1792. Though the French government retained control over the region of Saint-Domingue, on 22 September 1804, Jean-Jacques Dessalines, who had served as Governor-General of Saint-Domingue since 30 November 1803, declared