![Pope Pius IX - Longest reigning Pope in the Catholic Church, serving from 1846 to 1878 Stock Photo - Alamy Pope Pius IX - Longest reigning Pope in the Catholic Church, serving from 1846 to 1878 Stock Photo - Alamy](https://c8.alamy.com/comp/D8CJ1X/pope-pius-ix-longest-reigning-pope-in-the-catholic-church-serving-D8CJ1X.jpg)
Pope Pius IX - Longest reigning Pope in the Catholic Church, serving from 1846 to 1878 Stock Photo - Alamy
![The Life of Pope Pius IX: And the Great Events in the History of the Church During his Pontificate: Shea LL.D., John Gilmary: 9781732717572: Amazon.com: Books The Life of Pope Pius IX: And the Great Events in the History of the Church During his Pontificate: Shea LL.D., John Gilmary: 9781732717572: Amazon.com: Books](https://m.media-amazon.com/images/I/61GJizANxgL._AC_UF1000,1000_QL80_.jpg)
The Life of Pope Pius IX: And the Great Events in the History of the Church During his Pontificate: Shea LL.D., John Gilmary: 9781732717572: Amazon.com: Books
![1874 Vatican - Pope Pius IX, Longest-reigning elected pope in the history of the Catholic Church; 600th Anniversary of the Death of Saint Bonaventura by Luigi Gori. 1874 Vatican - Pope Pius IX, Longest-reigning elected pope in the history of the Catholic Church; 600th Anniversary of the Death of Saint Bonaventura by Luigi Gori.](https://images.vcoins.com/product_image/37/N/6/Ni7CrXW58gdFD6AdwHJ9x2Sf4MmQn3.jpg)