French Louisiana French Louisiana The term French Louisiana refers to two distinct regions: Each term has been in use for many years. Colonial French Louisiana was a part of New France. Beginning in 1682 this region, known in French as "la Louisiane française", functioned as an administrative district of New France. It extended from the Gulf of Mexico to Vincennes, now in Indiana. France ceded the region to Spain and Britain in 1763 after the French and Indian War, regained it by treaty in 1800, and sold it to the United States in 1803 through the Louisiana Purchase. Greater New Orleans and
Enlightenment in Spain the United Kingdom and Austria, faced a decision: whether to continue to fight the Revolutionary France that had already defeated Spain once before, or to join the French side and hope for better times. The Spanish, after initially opposing the French, signed the Treaty of San Ildefonso in 1796, allying Spain to France, in exchange for French support for Charles IV's relations ruling the Italian duchy of Parma. In response, the British blockaded Spain in 1797 and separated her colonial empire from the mother country. By the end of 1798, the Spanish fleet had been defeated by the British, and