Giacomo Antonelli (2 April 1806 – 6 November 1876) was an Italian cardinal deacon. He was the Cardinal Secretary of State from 1848 until his death; he played a key role in Italian politics, resisting the unification of Italy and affecting Roman Catholic interests in European affairs. He was often called the "Italian Richelieu" and the "Red Pope." Life He was born at Sonnino near Terracina and was educated for the priesthood, but after taking minor orders, he gave up the idea of becoming a priest and chose an administrative career. Created secular prelate, he was sent as apostolic delegate to Viterbo in 1836, where he early manifested his reactionary tendencies in an attempt to stamp out Liberalism. In 1839 he was transferred to Macerata. In 1840 he was ordained a deacon. Recalled to Rome in 1841 by Pope Gregory XVI, he entered the offices of the Secretariat of State, but four years later was appointed pontifical treasurer-general. Created cardinal on 11 June 1847, one of the last cardinal deacons in deacon's orders, he was chosen by Pius IX to preside over the council of state entrusted with the drafting of a constitution for the Papal States. On 10 March 1848, Antonelli became premier of the first constitutional ministry of Pius IX. Upon the collapse of his cabinet when liberals resigned in protest again papal public refusal to participate in a war of national liberation, 29 April 1848, Antonelli created for himself the governorship of the sacred palaces in order to retain constant access to and influence over the pope. After the assassination of Pellegrino Rossi (15 November 1848), he arranged the flight of Pius IX to Gaeta on 23 November. That year, the Papal States were overthrown by liberals and replaced by a Roman Republic, only to be restored to the pope in 1849 by force of French and Austrian arms, called in at Antonelli's request. Notwithstanding promises to the powers upon returning to Rome, on 12 April 1850 Antonelli restored absolute government and disregarded the conditions of the surrender by ordering the wholesale imprisonment of liberals. In 1855, he narrowly escaped assassination. As an ally of Ferdinand II of the Two Sicilies from whom he had received an annual subsidy, he attempted after 1860 to facilitate Ferdinand's restoration by fomenting brigandage on the Neapolitan frontier. To the overtures of Bettino Ricasoli in 1861, Pius IX, at Antonelli's suggestion,