Feedback
Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login).
Thank you for your feedback

Our editors will review what you’ve submitted and determine whether to revise the article.

Giacomo Antonelli (born April 2, 1806, Sonnino, Papal States—died Nov. 6, 1876, Vatican City) was a cardinal and secretary of state to Pope Pius IX. Though he was never ordained as a priest, Antonelli was created cardinal by Pius in 1847 and became premier (1848) of the Papal States, which were then governed for the first time by a democratic constitution. After his own and succeeding governments had fallen and the revolutionary situation at Rome...