Key Facts:

Date 3 September, 381
Location Aquilea (northern Italy)
Summoned by
 Emperor Gratian
Chaired by Valerian of Aquilea
Number of Participants
 32
Key Participants
 Ambrose of Milan; Eusebius of Bologna; Sabinus of Piacenza
Purpose To confirm the Nicene understanding of the coeternity and cosubstantiality of the Father and the Son; continue to condemn Arians (namely Palladius of Ratiaria, Secundianus of Singidunum and the presbyter Attalus)
Key Events
 Ambrose’s argument with Arian-leaning Palladius of Ratiaria and Secundus of Singidunum; the removal of several anti-Nicene bishops from the episcopate
Ancient Descriptions Bibl. Nat. de France, lat. 8907

Bibliography

G. Cuscito,  “Aquilea” in The Encyclopedia of the Early Church, (New York: Oxford University Press, 1992), 204.

R.P.C. Hanson, The Search for the Christian Doctrine of God, (New York: T&T Clark, 1988).

Created by MKM, JCB, PSAM, GLT

Last updated: 7-8-2023

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