Pope Gregory VI (148º): Biography, Pontificate & Legacy

Who Was Pope Gregory VI?

Among the 267 popes, Gregory VI is number 148, remembered for the years 1 May 1045 –20 December 1046 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 Gregory VI to a usable historical and spiritual picture.

Early Life & Background

Before election he was known as Giovanni Graziano Pierleoni. Born circa 1000 Rome, Papal States, he entered a world shaped by politics and piety very different from today's global Church.

Historical Context

Gregory VI (#undefined) reigned while Western Roman order fractured, new kingdoms rose, and missionaries carried Christianity across Europe under papal encouragement or correction. Deposed at the Council of Sutri.

Pontificate & Key Events

The pontificate (1 May 1045 –20 December 1046) centered on governance during the early medieval papacy.

Papal Acts & Achievements

Acts associated with Gregory VI (#148, 1 May 1045 –20 December 1046) 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

• 148th pope of the Catholic Church
• Pontificate: 1 May 1045 –20 December 1046
• Deposed at the Council of Sutri.
• Shepherded the Church during the early medieval papacy
• Successor of St. Peter in the official Catholic list

Legacy in the Catholic Church

Gregory VI remains pope 148º in the Annuario Pontificio. Set against the early medieval papacy, Gregory VI'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 Gregory VI on your mental map: 148º successor of Peter, reigning 1 May 1045 –20 December 1046, formed by the early medieval papacy. Start with the concrete record: Deposed at the Council of Sutri. Where bulls, conciliar acts, or encyclicals survive from this reign, they repay readers who want primary sources rather than summaries alone. Compare Gregory VI with the biographies of his predecessor and successor linked below to see reform, rupture, or quiet continuity.

Place in the Line of Succession

Gregory VI followed Pope Benedict IX (147º, 10 March 1045 –1 May 1045) after a transition shaped by the politics and piety of their shared century. He was followed by Pope Clement II (149º, 24 December 1046 –9 October 1047), 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.