Spanish West Florida

Spanish West Florida was a Spanish colony which included Pensacola and most of the Florida Panhandle. Spanish West Florida was ceded to the United States by the Adams-Onís Treaty (1819) and transferred at a ceremony at Plaza Ferdinand VII in Pensacola in July 1821.

Boundaries

Spanish West Florida contained the portions of present-day Louisiana, Mississippi, Alabama, and Florida south of the 31st parallel north, bounded on the west by the Mississippi River and Lake Pontchartrain, on the east by the Apalachicola River, and by the Gulf of Mexico to the south.