Written by Guide Catholic
Pope Lucius III (171º): Biography, Pontificate & Legacy
Pontificate: 1 September 1181–25 November 1185 · Origin: Luca, Sacro Roman Empire · Birth name: Lucius Tertius
Lucius III was the 171st pope of the Catholic Church, reigning 1 September 1181–25 November 1185 during the high Middle Ages. Subject of the March of Tuscany.
Who Was Pope Lucius III?
Lucius III holds the 171º place among Roman pontiffs, with a recorded reign of 1 September 1181–25 November 1185 inside the high Middle Ages. Subject of the March of Tuscany. What follows is a structured biography — early life, context, acts, and succession — written for Catholics who want Lucius III in context.
Early Life & Background
Before election he was known as Ubaldo Allucignoli. Born circa 1100 Lucca, March of Tuscany, he entered a world shaped by politics and piety very different from today's global Church.
Historical Context
Lucius III (#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 (1 September 1181–25 November 1185) centered on governance during the high Middle Ages.
Papal Acts & Achievements
Acts associated with Lucius III (#171, 1 September 1181–25 November 1185) 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
- 171st pope of the Catholic Church
- Pontificate: 1 September 1181–25 November 1185
- Shepherded the Church during the high Middle Ages
- Successor of St. Peter in the official Catholic list
Legacy in the Catholic Church
Lucius III remains pope 171º in the Annuario Pontificio. Set against the high Middle Ages, Lucius III's choices show both the limits of any one pontiff and the continuity of the office he held.
Why Catholics Study This Pope Today
Reading Lucius III as pope 171º (1 September 1181–25 November 1185) is a way to study how Rome answered the crises of the high Middle Ages. Begin with this documented note: Subject of the March of Tuscany. Use the neighboring pontiff links below to test whether Lucius III's reign looks unique or typical for the high Middle Ages.
Place in the Line of Succession
Lucius III followed Pope Alexander III (170º, 7 September 1159–30 August 1181) after a transition shaped by the politics and piety of their shared century. He was followed by Pope Urban III (172º, 25 November 1185–20 October 1187), 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.