Topic summary
Duke of Modena
Extracted from the Wikipedia article Duke of Ferrara and of Modena.
From the Lordship of Este to the Duchy of Ferrara-Modena-Reggio
In 1452 Borso d'Este, then marquis of Modena and Reggio, was raised by Emperor Frederick III with the title of duke of Modena and Reggio. In 1471, Pope Paul II formally elevated him in as Duke of Ferrara, over which the family had in fact long presided.