Vauban citadel on Belle Île
The Citadel Henry II wanted so much, was enlarged by the Dukes of Gondi, of Retz, by Superintendent Fouquet and later by Vauban. The English occupied this citadel until 1763. It was also a prison, in particular for La Voisin, who was involved in the sinister "Poison affair", and by the Haitian Placide Toussaint-Louverture. In 1960, the army abandoned it; it now houses theHistorical Museum . Do not miss thecircular powder magazine , the largearsenal , andwarehouses of Louis XII.