Pope Nicholas II, otherwise known as Gerard of Burgundy, was head of the Catholic Church and ruler of the Papal States from 24 January 1059 until his death in 27 July 1061. At the time of his election, he was bishop of Florence. During his Papacy, Nicholas II successfully expanded the influence of the papacy in Milan and southern Italy. He was also responsible for passing papal election reforms, the most significant of which restricted the deliberation of candidates to the Cardinal Bishops, thus beginning the process of removing the lesser clergy, religious and nobility of the City from the process.

Pope Nicholas II, who reigned as Roman Pontiff from 1059–1061.

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