Atto () was a

cardinal Cardinal or The Cardinal most commonly refers to * Cardinalidae, a family of North and South American birds **''Cardinalis'', genus of three species in the family Cardinalidae ***Northern cardinal, ''Cardinalis cardinalis'', the common cardinal of ...

of the

Catholic Church The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...

who lived in the 11th century. Born in

Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...

as the son of a noble family. As a young man in 1062 he was elected by the

chapter Chapter or Chapters may refer to: Books * Chapter (books), a main division of a piece of writing or document * Chapter book, a story book intended for intermediate readers, generally age 7–10 * Chapters (bookstore), Canadian big box bookstore ...

of the Milan cathedral

Archbishop of Milan The Archdiocese of Milan (; ) is a Latin Church ecclesiastical territory or archdiocese of the Catholic Church in Italy which covers the areas of Milan, Monza, Lecco and Varese. It has long maintained its own Latin liturgical rite usage, the Amb ...

, Attone was elected archbishop in front of a

papal legate 300px, A woodcut showing Henry II of England greeting the Pope's legate. A papal legate or apostolic legate (from the ancient Roman title '' legatus'') is a personal representative of the Pope to foreign nations, to some other part of the Catho ...

but the decision of the chapter of the cathedral didn't receive the ''placet'' of emperor Henry IV so he coundn't be enthroned. Attone was so forced to leave Milan and he reached Rome where he lived in the Church of San Marco is title as Cardinal. During his stay in Rome, Attone wrote a book about

canon law Canon law (from , , a 'straight measuring rod, ruler') is a set of ordinances and regulations made by ecclesiastical jurisdiction, ecclesiastical authority (church leadership) for the government of a Christian organization or church and its membe ...

. In that book he supported the supremacy of the

bishop of Rome The pope is the bishop of Rome and the visible head of the worldwide Catholic Church. He is also known as the supreme pontiff, Roman pontiff, or sovereign pontiff. From the 8th century until 1870, the pope was the sovereign or head of sta ...

over the civil authorities following the teaching of pope Gregory VII.From Enciclopedia Treccani The date of his death is unclear. For some authors the date of his death is around 1080, other authors identify him as a

Cardinal Bishop of Palestrina The Suburbicarian Diocese of Palestrina () is a Latin suburbicarian diocese centered on the comune of Palestrina in Italy. The current bishop of Palestrina is Mauro Parmeggiani, who was appointed by Pope Francis on 19 February 2019. Prior to hi ...

, who dies after being excommunicated by pope Gregory VII after 1085.

References

{{DEFAULTSORT:Attone Year of birth unknown Year of death unknown 11th-century Italian Roman Catholic archbishops Clergy from Rome Investiture Controversy Archbishops of Milan