Council of Sirmium (AD 359)
| Date | Spring 359 |
| Location | Sirmium |
| Key Participants | Valens; Ursacius; Germinius; Basil of Ancyra; Eudoxius, Acacius; Mark of Arethusa |
| Purpose | To create a formulary that would serve as the basis for the upcoming councils in Ariminum and Seleucia |
| Key Events | Production of the fourth creed of Sirmium, also known as the “Dated Creed” |
Surviving Documents:
Fourth Creed of Sirmium (“The Dated Creed”)
Bibliography
Kelly, J.N.D. Early Christian Creeds (New York: Longman Inc., 1972), pp. 288-291.
Simonetti, M. “Sirmium,” in The Encyclopedia of the Early Church (New York: Oxford University Press, 1992).
Last updated: 2-11-2025 by JSW
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