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Icon of Saint Gregory the Theologian in bishop's vestments holding the Gospel.

The Great Hierarchs

Saint Gregory the Theologian c. AD 390

Archbishop of Constantinople

Commemorated
January 25
Lived
c. AD 390

Archbishop of Constantinople and one of only three saints the Church names "the Theologian." His Five Theological Orations established the language of the Trinity against the Arians.

Holy Gregory the Theologian, pray to God for us.