1800:Spain cedes this large territory to France
In 1800 Spain returned its part of Louisiana to France in the Third 
Treaty of .... formed part of a larger colonial unit, French American territoryNew 
France... [DOC] [TLE] Louisiana (New Spain) - Wikipedia [PAR] Louisiana (Spanish: Luisiana) was the name of an administrative district of the 
Viceroyalty of New Spain from 1762 to 1802 that consisted of territory west of the 
Mississippi River basin, plus New Orleans.