Written by Guide Catholic
Pope Nicholas II (155º): Biography, Pontificate & Legacy
Pontificate: 6 December 1058 –27 July 1061 · Origin: Mercury, France · Birth name: Nicolaus Secundus
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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?
Nicholas II holds the 155º place among Roman pontiffs, with a recorded reign of 6 December 1058 –27 July 1061 inside the high Middle Ages. Subject of the County of Savoy. What follows is a structured biography — early life, context, acts, and succession — written for Catholics who want Nicholas II in context.
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.
Historical Context
Nicholas II (#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 (6 December 1058 –27 July 1061) centered on governance during the high Middle Ages. Was of French ethnicity.
Papal Acts & Achievements
Acts associated with Nicholas II (#155, 6 December 1058 –27 July 1061) 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
- 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. Set against the high Middle Ages, Nicholas II'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 Nicholas II on your mental map: 155º successor of Peter, reigning 6 December 1058 –27 July 1061, formed by the high Middle Ages. Start with the concrete record: Designated the College of Cardinals as the sole body of pope electors in the bull In nomine Domini(1059). Where bulls, conciliar acts, or encyclicals survive from this reign, they repay readers who want primary sources rather than summaries alone. Compare Nicholas II with the biographies of his predecessor and successor linked below to see reform, rupture, or quiet continuity.
Place in the Line of Succession
Nicholas II followed Pope Stephen IX (154º, 2 August 1057 –29 March 1058) after a transition shaped by the politics and piety of their shared century. He was followed by Pope Alexander II (156º, 30 September 1061–21 April 1073), 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.