Written by Guide Catholic
Pope Stephen III (94º): Lateran Council — Complete Guide
Pontificate: 7 August 768 –24 January 772 · Origin: Sicília, Império Bizantino · Birth name: Stephanus Tertius (Quartus)

Stephen III was the 94th pope of the Catholic Church, reigning 7 August 768 –24 January 772 during late antiquity. (Eastern) Roman citizen, later the sovereign of the independent Papal States.
Who Was Pope Stephen III?
Pope Stephen III — 94º in the Catholic list — reigned 7 August 768 –24 January 772 during late antiquity. Search interest often clusters around Lateran Council. (Eastern) Roman citizen, later the sovereign of the independent Papal States. This Guide Catholic profile gathers background, major acts, and legacy so you can read Stephen III beside neighboring pontiffs.
Early Life & Background
Before election he was known as Stephanus. Born circa 720 Syracuse, Sicily, Eastern Roman Empire, he entered a world shaped by politics and piety very different from today's global Church.
Historical Context
Stephen III (#undefined) governed amid imperial transition, invasions, and debates over Christ's nature — Rome's bishop increasingly seen as a guardian of orthodoxy for the wider Church. He summoned the Lateran Council of 769.
Pontificate & Key Events
The pontificate (7 August 768 –24 January 772) centered on governance during late antiquity. Was of Greek ethnicity. Sometimes called Stephen IV.
Papal Acts & Achievements
Acts associated with Stephen III (#94, 7 August 768 –24 January 772) 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
- 94th pope of the Catholic Church
- Pontificate: 7 August 768 –24 January 772
- He summoned the Lateran Council of 769.
- Shepherded the Church during late antiquity
- Successor of St. Peter in the official Catholic list
Legacy in the Catholic Church
Stephen III remains pope 94º in the Annuario Pontificio. Set against late antiquity, Stephen 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 Stephen III as pope 94º (7 August 768 –24 January 772) is a way to study how Rome answered the crises of late antiquity. Start with the concrete record: He summoned the Lateran Council of 769. Where bulls, conciliar acts, or encyclicals survive from this reign, they repay readers who want primary sources rather than summaries alone. Use the neighboring pontiff links below to test whether Stephen III's reign looks unique or typical for late antiquity.
Place in the Line of Succession
Stephen III followed Pope St. Paul I (93º, 29 May 757 –28 June 767) after a transition shaped by the politics and piety of their shared century. He was followed by Pope Adrian I (95º, 1 February 772 –26 December 795), 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.