Written by Guide Catholic
Pope John X (122º): Biography, Pontificate & Legacy
Pontificate: March 914 –28 May 928 · Origin: Romanha, Estados Papais · Birth name: Ioannes Decimus
John X was the 122nd pope of the Catholic Church, reigning March 914 –28 May 928 during the early medieval papacy. Subject and later the sovereign of the Papal States.
Who Was Pope John X?
Among the 267 popes, John X is number 122, remembered for the years March 914 –28 May 928 in the early medieval papacy. Subject and later the sovereign of the Papal States. Use the sections below to move from a one-line summary of John X to a usable historical and spiritual picture.
Early Life & Background
Born Ioannes, he entered a world shaped by politics and piety very different from today's global Church.
Historical Context
John X (#undefined) reigned while Western Roman order fractured, new kingdoms rose, and missionaries carried Christianity across Europe under papal encouragement or correction.
Pontificate & Key Events
The pontificate (March 914 –28 May 928) centered on governance during the early medieval papacy.
Papal Acts & Achievements
Acts associated with John X (#122, March 914 –28 May 928) still draw historians and Catholics who want more than a one-line summary. His reign remains a link in the succession now counted at 267 popes.
Key Highlights
- 122nd pope of the Catholic Church
- Pontificate: March 914 –28 May 928
- Shepherded the Church during the early medieval papacy
- Successor of St. Peter in the official Catholic list
Legacy in the Catholic Church
John X remains pope 122º in the Annuario Pontificio. Set against the early medieval papacy, John X's choices show both the limits of any one pontiff and the continuity of the office he held.
Why Catholics Study This Pope Today
Catholics who open a page on John X usually want more than a birth-death line — they want to know what #122 did inside the early medieval papacy. Begin with this documented note: Subject and later the sovereign of the Papal States. Use the neighboring pontiff links below to test whether John X's reign looks unique or typical for the early medieval papacy.
Place in the Line of Succession
John X followed Pope Lando (121º, 7 July 913 –5 February 914) after a transition shaped by the politics and piety of their shared century. He was followed by Pope Leo VI LEO Sextus (123º, 28 May 928 –February 929), whose biography continues the chain on Guide Catholic. For the full chronological map, see our complete list of all 267 popes — then read neighboring biographies for contrast, not only continuity.