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:...

Foreign relations between Pope Pius IX and Italy were characterized by an extensive political and diplomatic conflict over Italian unification and the...

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...

The foreign relations between Pope Pius IX and France reflected Pope Pius IX's hostility to the French Third Republic's anticlerical politics, as well...

Sarto took as his papal name Pius X, out of respect for his recent predecessors of the same name, particularly Pope Pius IX (1846–1878), who had fought...

The Papal States under Pope Pius IX assumed a much more modern and secular character than had been seen under previous pontificates, and yet this progressive...

Louis IX (25 April 1214 – 25 August 1270), commonly revered as Saint Louis, was King of France from 1226 until his death in 1270. He is widely recognized...

Pope Pius IX and Germany often had tense relations during his long papacy that culminated with the country's anti-Catholic persecutions during the 1870s...