After his death in battle on 26 June 363, officers of the army elected the Christian Jovian as his successor.
Jovian, in a precarious position, far from supplies, ended the war with Persia unfavorably for Rome.
The major concerns of the council involved regulating the conduct of church members.
Around 350, Cyril of Jerusalem produced a list of biblical books matching that from the Council of Laodicea.
[3] The council marks the first occasion in Christianity of the explicit condemnation of astrology, a matter on which theologians and legislators had not yet reached consensus.