Historical Theology · Patristic Database
The Christian
Belief Map
What the first five centuries believed — and who still believes it today.
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Identical
Convergent
Partial
Divergent
Opposed
Unknown
Nicene Era · AD 300–400
4 records
CHRISTOLOGY
AD 325
Council of Nicaea
Christ is homoousios — of the same substance as the Father — not a lesser or created divine being
CHRISTOLOGY
AD 325
Council of Nicaea
The Council of Nicaea is clear that the Son is not a creature — Arius is wrong that there was a time when the Son was not
CHRISTOLOGY
c. AD 356
Athanasius of Alexandria
Athanasius defends homoousios against the Arian majority — the entire council cannot override the truth
CHRISTOLOGY
c. AD 381
Gregory of Nazianzus
Gregory of Nazianzus argues that Christ assumed a complete human soul and mind — or the mind is not redeemed
Post-Nicene · AD 400–500
4 records
CHRISTOLOGY
c. AD 430
Cyril of Alexandria
Cyril of Alexandria insists the one subject who suffers in the Passion is the eternal Word made flesh
CHRISTOLOGY
AD 431
Council of Ephesus
The Virgin Mary is rightly called Theotokos — God-bearer — because the one born of her is truly God
CHRISTOLOGY
AD 449
Pope Leo I
Leo I teaches the two-natures doctrine in the Tome — Chalcedon endorses it as the voice of Peter
CHRISTOLOGY
AD 451
Council of Chalcedon
Christ is one person with two natures — fully divine and fully human — without confusion or separation
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