Pope Nicholas II (155º): Biography, Pontificate & Legacy
Pontificate: 6 December 1058 –27 July 1061
Nicholas II was the 155th pope of the Catholic Church, reigning 6 December 1058 –27 July 1061 during the high Middle Ages. Designated the College of Cardinals as the sole body of pope electors in the bull In nomine Domini(1059).
Who Was Pope Nicholas II?
This biography of Nicholas II (155º) covers background, major events, and legacy in the line of St. Peter. During the high Middle Ages, the Bishop of Rome exercised teaching, sanctifying, and governing authority for the universal Church.
Early Life & Background
Before election he was known as Gerald de Bourgogne. Born circa 980 Château de Chevron, County of Savoy, he entered a world shaped by politics and piety very different from today's global Church. Subject of the County of Savoy.
Historical Context
Nicholas II led the Church in the high Middle Ages — an era of crusades, monastic reform, cathedral building, and intense negotiation between popes and emperors over who held ultimate authority in Christendom.
Pontificate & Key Events
The pontificate (6 December 1058 –27 July 1061) centered on governance during the high Middle Ages. Was of French ethnicity.
Papal Acts & Achievements
Nicholas II left a distinct mark through decisions that historians still debate and Catholics still study. His reign contributed to the continuous apostolic succession now numbering 267 popes.
Key Highlights
- 155th pope of the Catholic Church
- Pontificate: 6 December 1058 –27 July 1061
- Shepherded the Church during the high Middle Ages
- Successor of St. Peter in the official Catholic list
Legacy in the Catholic Church
Nicholas II remains pope 155º in the Annuario Pontificio. Read against the high Middle Ages, his pontificate shows how Providence works through imperfect ministers without abandoning the Barque of Peter.
Why Catholics Study This Pope Today
Studying Nicholas II helps Catholics see how the Holy Spirit guided the Church through the high Middle Ages — with human weakness and grace intertwined. Primary sources from this pontificate — bulls, conciliar acts, or encyclicals — reward readers who want depth beyond summaries. Place this pope in context using our chronological list of all 267 popes and the biographies of his immediate predecessor and successor linked below.
Place in the Line of Succession
Nicholas II followed Pope Stephen IX (154º) in the unbroken line of apostolic succession from St. Peter. Upon his death or resignation, he was succeeded by Pope Alexander II (156º), who continued the mission of shepherding the universal Church. Explore the full chronological chain in our complete list of all 267 popes, or read the biographies of neighboring pontiffs linked below.