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Pius IX

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noun
Giovanni Maria Mastai-Ferretti, 1792–1878, Italian ecclesiastic: pope 1846–78.
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Pius IX

noun
original name Giovanni Maria Mastai-Ferretti. 1792–1878, Italian ecclesiastic; pope (1846–78). He refused to recognize the incorporation of Rome and the Papal States in the kingdom of Italy, confining himself to the Vatican after 1870. He decreed the dogma of the Immaculate Conception (1854) and convened the Vatican Council, which laid down the doctrine of papal infallibility (1870)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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