![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/37/9/9xmAeQr76jHSo4G34qDLnH8oE56i2m.jpg)
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.
![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
![Pope Pius Ix Published In 1878 Stock Illustration - Download Image Now - Pope, 19th Century, 2015 - iStock Pope Pius Ix Published In 1878 Stock Illustration - Download Image Now - Pope, 19th Century, 2015 - iStock](https://media.istockphoto.com/id/485997882/vector/pope-pius-ix-published-in-1878.jpg?s=612x612&w=0&k=20&c=btf22w-Z6qJayPeo3b9H8b82EbypoWYdwZGFnNZb1IM=)
Pope Pius Ix Published In 1878 Stock Illustration - Download Image Now - Pope, 19th Century, 2015 - iStock
![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)