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Theodore of Heraclea
(1,790 words)

Ecclesiastical politics in the three decades following the Council of Nicaea in 325 CE were dominated in the eastern Roman Empire by a group of clerics known as the “Eusebian alliance.” Led initially by Eusebius of Caesarea and Eusebius of Nicomedia, this alliance consistently opposed Athanasius of Alexandria, largely on the grounds of his alleged episcopal misconduct, and Marcellus of Ancyra, on the grounds of his ostensibly monarchian theology.

A central figure in this group was Theodore of Heraclea (fl. c. 328–c. 355 CE).

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Cite this page
Crawford, Matthew R., “Theodore of Heraclea”, in: Brill Encyclopedia of Early Christianity Online, General Editor David G. Hunter, Paul J.J. van Geest, Bert Jan Lietaert Peerbolte. Consulted online on 01 March 2024 <>
First published online: 2018

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