Peter Damian OSB (Latin: Petrus Damianus; Italian: Pietro or Pier Damiani; c. 1007 – 21 or 22 February 1072 or 1073) [1] was an Italian reforming Benedictine monk and cardinal in the circle of Pope Leo IX.

St. Peter Damian fought simony with great vigor, and equally vigorously upheld clerical celibacy; and as he supported a severely ascetical, semi-eremitical life for monks, so he was an encourager of common life for the secular clergy.

Jan 1, 2025 · St. Peter Damian was a cardinal and doctor of the church, an original leader, and a forceful figure in the Gregorian reform movement, whose personal example and many writings exercised great influence on religious life in the 11th and 12th centuries.

Feb 21, 2022 · If it hadn’t been for an elder brother taking him under his wing, Saint Peter Damian may have taken a very different path in life. But with his brother’s guidance, he matured into a holy man, monk, and bishop. A man of prayer and devotion, Peter Damian was also a spiritual writer.

Feb 21, 2024 · Pope Alexander II sent Peter Damian to solve a problem in Ravenna, where the archbishop had declared himself in open rebellion and had incurred excommunication.

6 days ago · On Feb. 21, Catholics honor Saint Peter Damian, a Benedictine monk who strove to purify the Church during the early years of its second millennium.

Peter Damian (or DAMIANI) Saint, Doctor of the Church, Cardinal – Bishop of Ostia, b. at Ravenna “five years after the death of the Emperor Otto III,” 1007; d. at Faenza, February 21, 1072. He was the youngest of a large family; his parents were noble, but poor.