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Potamius of Lisbon
(1,660 words)

Potamius (4th cent. CE) is considered the earliest writer from 4th-century CE Hispania and was a contemporary of Osius of Córdoba, the famous bishop who was at the Council of Nicaea. Of Potamius’ personal biography we know absolutely nothing. We do not know when he was born or died, or his birthplace. We are on sure ground that he was indeed bishop of Lisbon (Olissipo) quite literally on the western edge of the Roman Empire. His appointment as bishop is believed to be around 355/356 CE du…

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Ferreiro, Alberto, “Potamius of Lisbon”, in: Brill Encyclopedia of Early Christianity Online, General Editor David G. Hunter, Paul J.J. van Geest, Bert Jan Lietaert Peerbolte. Consulted online on 28 November 2023 <>
First published online: 2018

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