Written by Guide Catholic
Pope Adrian V (186º): Biography, Pontificate & Legacy
Pontificate: 11 July 1276–18 August 1276 · Origin: Génova, República de Génova · Birth name: Hadrianus Quintus
Adrian V was the 186th pope of the Catholic Church, reigning 11 July 1276–18 August 1276 during the high Middle Ages. Citizen of the Republic of Genoa.
Who Was Pope Adrian V?
Among the 267 popes, Adrian V is number 186, remembered for the years 11 July 1276–18 August 1276 in the high Middle Ages. Citizen of the Republic of Genoa. Use the sections below to move from a one-line summary of Adrian V to a usable historical and spiritual picture.
Early Life & Background
Before election he was known as Ottobuono Fieschi. Born circa 1216 Genoa, Republic of Genoa, he entered a world shaped by politics and piety very different from today's global Church.
Historical Context
Adrian V (#undefined) led during crusades, monastic reform, and cathedral culture — and during sharp contests between popes and emperors over authority in Christendom.
Pontificate & Key Events
The pontificate (11 July 1276–18 August 1276) centered on governance during the high Middle Ages. Annulled Gregory X's Ubi periculum regarding the regulations of conclaves.
Papal Acts & Achievements
Acts associated with Adrian V (#186, 11 July 1276–18 August 1276) 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
- 186th pope of the Catholic Church
- Pontificate: 11 July 1276–18 August 1276
- Shepherded the Church during the high Middle Ages
- Successor of St. Peter in the official Catholic list
Legacy in the Catholic Church
Adrian V remains pope 186º in the Annuario Pontificio. Set against the high Middle Ages, Adrian V's choices show both the limits of any one pontiff and the continuity of the office he held.
Why Catholics Study This Pope Today
Place Adrian V on your mental map: 186º successor of Peter, reigning 11 July 1276–18 August 1276, formed by the high Middle Ages. Begin with this documented note: Citizen of the Republic of Genoa. Then step back to the full list of 267 popes to see where Adrian V sits between crisis and consolidation.
Place in the Line of Succession
Adrian V followed Pope Bl. Innocent V (185º, 21 January 1276–22 June 1276) after a transition shaped by the politics and piety of their shared century. He was followed by Pope John XXI (187º, 8 September 1276–20 May 1277), 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.