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Nicholas I

Saint Nicholas I (c. 825 - 867), known as Saint Nicholas the Great, was Pope from 858 to 867. Detail from painting by Raphael in the National Gallery, London, circa 860. (Photo by Hulton Archive/Getty Images)

Popes throughout history

A selection of the 265 popes who have served as head of the Catholic Church, from the recently retired Benedict XVI all the way back to St. Peter.