Example image of eyePlorer eyePlorer map for 'Papal conclave, 1823': 1823 August 20 Papal conclave Pope Pius VII Constantine I French Revolution Protestant Reformation Roman Empire Papal States Zelanti Industrial Revolution Ercole Consalvi Secretary of State Fabrizio Ruffo Giulio Maria della Somaglia Emperor of Austria Papabile Pope Pius VIII Napoleon I of France Asceticism Regnal name Quirinal Palace Papal conclave, 1829 Giuseppe Firrao, Jr. Jus exclusivae Papal conclave, 1939 Luigi Ruffo-Scilla Antonio Lamberto Rusconi Papal conclave, 2005