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Saint Arialdo
0316 - Milano - San Calimero - Foto Giovanni Dall'Orto 5-May-2007.jpg
Arialdo da Carimate. Altar in the "Basilica di San Calimero" in Milan
Deacon and martyr
Born c. 1010
Died June 27, 1066(1066-06-27)
Isolino Partegora, Lago Maggiore
Venerated in Roman Catholic Church
Canonized 1067
Major shrine Cathedral of Milan
Feast June 27
Attributes Depicted in the vestments of a deacon, holding the palm of martyrdom

Saint Arialdo (c. 1010 – June 27, 1066) is a Christian saint of the eleventh century. He was assassinated because of his efforts to reform the Milanese clergy.[1]


Arialdo was the child of a noble family, born at Cutiacum (Cucciago), near Como. After studying in Laon and Paris, he was made a canon in the cathedral city of Milan. Together with Anselmo da Baggio, Arialdo headed the pataria, a movement that sought to reform Milan's simoniacal clergy.[1] Due to this, he was excommunicated by the bishop Guido da Velate, but was immediately reinstated by Pope Stephen IX to continue his efforts towards reformation. Eventually, these endeavours lead to bishop Guido da Velate's excommunication. While traveling to Rome, Arialdo was set up by emissaries of Guido and killed.[2]


Ten months after the assassination, his body was found in Lago Maggiore (allegedly in a perfect state of preservation, and emitting a sweet odour). It was carried to Milan and exposed in the church of St. Ambrose from Ascension to Pentecost. Subsequently, Arialdo's body was interred in the church of St. Celsus, and in the following year, 1067, Pope Alexander II declared him a martyr.[2]

Arialdo's martyrdom (Basilica di San Calimero, Milan).

See also[edit]

External links[edit]


  1. ^ a b Benigni, Umberto (1911). "Archdiocese of Milan". The Catholic Encyclopedia Vol. 10. Robert Appleton Company. Archived from the original on 25 September 2010. Retrieved 31 August 2010. 
  2. ^ a b Campbell, Thomas (1907). "St. Arialdo". The Catholic Encyclopedia Vol. 1. Robert Appleton Company. Retrieved 31 August 2010.