The Duchy of Modena and Reggio (Italian: Ducato di Modena e Reggio, Latin: Ducatus Mutinae et Regii was a small Italian state that existed from 1452 to 1859, with a break between 1796 and 1814. It was ruled by the noble House of Este, from 1814 Austria-Este.
Read more about Duchy Of Modena And Reggio: House of Este, House of Austria-Este, Provinces of The Duchy Before The Dissolution, Traditional Titles, Knighthood Orders