|Papacy began||16 December 882|
|Papacy ended||15 May 884|
Gallese, Papal States
|Died||15 May 884|
Rome, Papal States
|Other popes named Marinus|
Pope Marinus I (//; died 15 May 884) was the bishop of Rome and ruler of the Papal States from 882 until his death. Controversially at the time, he was already a bishop when he became pope, and had served as papal legate to Constantinople.
Born at Gallese, Marinus was the son of a priest. He was ordained as a deacon by Pope Nicholas I. He first served as bishop of Caere. On three separate occasions he had been employed by the three popes who preceded him as legate to Constantinople, his mission in each case having reference to the controversy started by Patriarch Photios I of Constantinople. In 882, he was sent on behalf of Pope John VIII to Duke Athanasius of Naples to warn him not to trade with the Muslims of southern Italy.
Marinus I was elected to succeed John VIII as bishop of Rome from around the end of December 882. This papal election was controversial because Marinus had already been consecrated as bishop of Caere; at the time, a bishop was expected never to move to another see. Among his first acts as pope were the restitution of Formosus as cardinal bishop of Portus and the anathematizing of Photius I. Due to his respect for Alfred the Great (r. 871–899), he freed the Anglo-Saxons of the Schola Anglorum in Rome from tribute and taxation. He also is recorded to have sent a piece of the True Cross to Alfred as a gift. He died in May or June 884, his successor being Adrian III.
- The Editors of Encyclopædia Britannica. "Marinus I". Encyclopædia Britannica. Retrieved 30 August 2016.
- McBrien, Richard P. (2000). Lives of the Popes: The Pontiffs from St. Peter to Benedict XVI. HarperCollins. p. 142. ISBN 9780060878078.
- One or more of the preceding sentences incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Marinus (popes)". Encyclopædia Britannica. 17 (11th ed.). Cambridge University Press. pp. 721–722.
- Philippe Levillain (1 Jan 2002). The Papacy: Gaius-Proxies (illustrated ed.). Psychology Press. p. 969. ISBN 9780415922302.
- "Pope Marinus I; Martin II". New Catholic Dictionary. 2008. Archived from the original on 1 February 2012. Retrieved 7 February 2011.
- Studies in the Early History of Shaftesbury Abbey, Dorset County Council, 1999
- Herbermann, Charles, ed. (1913). "Pope Marinus I". Catholic Encyclopedia. New York: Robert Appleton Company.
- Dvornik, Francis (1948). The Photian Schism: History and Legend. Cambridge, UK: Cambridge University Press.CS1 maint: ref=harv (link)
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