State of the Presidi [SEP] dissolved or abolished
State of the Presidi
The State of the "Presidi" (, meaning "state of the garrisons") was a small territory (300 km) in Italy between 1557 and 1801. It consisted of five towns on the Tuscan coast—Porto Ercole and Porto Santo Stefano on the promontory of Monte Argentario, as well as Orbetello, Talamone and Ansedonia—and their hinterland, along with the islet of Giannutri and the fortress of Porto Longone on the island of Elba.
The "Presidi" always formed a distinct
The "Presidi" included Porto Longone on Elba which France retained, with the remainder then exchanged with Louis of Etruria for Piombino. 
The transfer of Louisiana to France was officially confirmed in October 1802 when Charles IV announced it in a Royal Proclamation.
Aftermath.
This elaborate shuffling of Italian territories ultimately led nowhere; Etruria was dissolved and incorporated into France in 1807, while much of pre-Napoleonic Italy was restored by the Congress of Vienna in 1815, including the Grand Duchy of Tuscany and the Duchy of Parma