Born in Abrud, present-day Alba County, Șuluțiu served as an officer in the Imperial and Royal Army during the Napoleonic Wars.
Ioan Sturdza | Alexandru Ioan Cuza | Ioan Sabău | Mihai Ioan Botez | Ioan Vancea | Ioan T. Morar | Ioan Tănăsescu | Ioan Silviu Suciu | Ioan Ploscaru | Ioan Miclescu-Prăjescu |
During his service the Diocese of Alba Iulia and Făgăraş (centred at Blaj) was removed from the jurisdiction of the Roman Catholic Archdiocese of Esztergom (in Hungary) and became an ecclesiastic province in its own right, with the Dioceses of Oradea Mare, Gherla and Lugoj as suffragans (subordinate dioceses).