![His holiness Pope Pius IX, longest reigning Pope in Roman Catholic Church history , circa 1851 Stock Photo - Alamy His holiness Pope Pius IX, longest reigning Pope in Roman Catholic Church history , circa 1851 Stock Photo - Alamy](https://c8.alamy.com/comp/D8CJ26/his-holiness-pope-pius-ix-longest-reigning-pope-in-roman-catholic-D8CJ26.jpg)
His holiness Pope Pius IX, longest reigning Pope in Roman Catholic Church history , circa 1851 Stock Photo - Alamy
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Catholic News World on X: "Saint February 7 : Blessed #Pope Pius IX who was the Longest Reigning Pope in #History and who Convoked the 1st #VaticanCouncil https://t.co/SV05YfxWnD https://t.co/hJ3MuvzTFN" / X
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