Pope Marinus I

Marinus I ( sometimes mistakenly called Martin II; * in Gallese, † May 15 884 in Rome ) was from 882 until his death Pope.

Marinus was the son of a priest named Palumbo from Umbria. Prior to his election as pope, he held the office of Bishop of Cerveteri. He was the first pontiff, who had previously been bishop of a city other than Rome. The change from one bishopric to another, called the translation was permitted by then existing canon law only in exceptional cases. So before had Marinus usually only deacons of the Diocese of Rome ascended the papal throne.

In his brief pontificate of Marinus finished the conciliatory policy of his predecessor John VIII against Photius I, the Patriarch of Constantinople Opel, and repeated in the year 882 his excommunication. Marinus I appointed five cardinals, including the later popes Hadrian III. and Stephan V. He also installed the deposed by John VIII Bishop of Porto, the later Pope Formosus, back in his office a.