The Duchy of Modena and Reggio (Italian: Ducato di Modena e Reggio; Latin: Ducatus Mutinae et Regii; Emilian: Duchêt ed Mòdna e Rèz[3]) was an Italian state created in 1452 located in Northwestern Italy, in the present day region of Emilia-Romagna. It was ruled since its establishment by the noble House of Este, and from 1814 by the Austria-Este branch of the family.[4] The Este dynasty was a great sponsor of the arts, making the Duchy a cultural reference during the Renaissance and Baroque periods.[5][6]
The first Este dukes ruled well and the city achieved an economic and cultural peak: Borso's successor Duke Ercole I had the city of Modena rebuilt according to plans designed by Biagio Rossetti, his successors were patrons of artists like Titian and Ludovico Ariosto. In the War of the League of Cambrai from 1508, troops from Modena fought in Papal service against the Republic of Venice. Upon the death of Duke Alfonso II in 1597, the ducal line became extinct. The Este lands were bequeathed to Alfonso's cousin Cesare d'Este; however, the succession was not acknowledged by Pope Clement VIII and Ferrara was finally seized by the Papacy. Cesare was able to retain Modena and Reggio as Imperial fiefs.
In the course of the Italian unification period in the 1830s-60s, the "Austria-Este" dukes were briefly ousted in the revolutions of 1831 and 1848, but soon returned.