United States territorial acquisitions
West Florida was declared to be a U.S. possession in 1810 by President James Madison after the territory had declared its independence from Spain. Madison ordered the U.S. Army to take control. Six weeks later, the army entered and occupied the capital, St. Francisville, putting an end to the republic after 74 days of independence. Spain did not relinquish its claim to sovereignty (see West Florida Controversy) until ratification of the Adams–Onís Treaty. General Andrew Jackson personally accepted the delivery of West Florida from its Spanish governor on July 17, 1821.
United States District Court for the Southern District of Florida
On the same day that Florida was admitted as a state, March 3, 1845, Congress enacted legislation creating the United States District Court for the District of Florida, 5 Stat. 788. On February 23, 1847, this District was subdivided into Northern and Southern Districts, by 9 Stat. 131. The statute effecting this division set forth the boundaries of the Districts: