Various, Encyclopaedia Britannica, 11th Edition…
“ The Medici dynasty ruled in Tuscany until the death of Gian Gastone in 1737, when the grand-duchy was assigned to Francis, duke of Lorraine. But it was governed by a regency until 1753, when it was conferred by the empress The Grand-Duchy of Tuscany. Maria Theresa on his son Peter Leopold. During the Napoleonic wars the grand-duke Ferdinand III. of Habsburg-Lorraine was driven from the throne, and Tuscany was annexed to the French empire in 1808. In 1809 Florence was made capital of the kingdom of Etruria, but after the fall of Napoleon in 1814 Ferdinand was reinstated. ”
