Pope Pius IX (Italian: Pio IX, Pio Nono; born Giovanni Maria Mastai Ferretti; 13 May 1792 – 7 February 1878) was head of the Catholic Church from 1846...

The Order of Pope Pius IX (Italian: Ordine di Pio IX), also referred as the Pian Order (Italian: Ordine Piano, pronounced [piˈaːno]), is a papal order...

This article contains a list of encyclicals of Pope Pius IX. Pius IX issued 41 papal encyclicals during his reign as pope:...

the fourth-longest reign of any pope, behind those of Peter the Apostle, Pius IX (his immediate predecessor) and John Paul II. He is well known for his...

Century: Leo XII to Pius IX. Vol. II. London: J. Murray. pp. 51–101. Fitz-Hardinge Berkeley, George (1932). "Chapters VII, VIII, IX". Italy in the Making:...

veneration of the Blessed Virgin Mary in Lourdes. On 1 February 1876, Pope Pius IX officially granted a decree of canonical coronation to the image as Notre-Dame...

The relationship between Pope Pius IX and the United States was an important aspect of the pontiff's foreign policy and Church growth program. Together...

where the novena to Our Mother of Perpetual Help is prayed weekly. Pope Pius IX granted a pontifical decree of canonical coronation along with its official...

and religious matters. Integralists uphold the 1864 definition of Pope Pius IX in Quanta cura that the religious neutrality of the civil power cannot...

The relations between Pope Pius IX and Judaism were off to a good start at the beginning of his papacy, but relations later soured after anti-clerical...