Arianism

A heresy which arose in the fourth century, and denied the Divinity of Jesus Christ.
DOCTRINE
First among the doctrinal disputes which troubled Christians after Constantine had recognized the Church in A.D. 313, and the parent of many more during some three centuries, Arianism occupies a large place in ecclesiastical history. It is not a modern form of unbelief, and therefore will appear strange in modern eyes. But we shall better grasp its meaning if we term it an Eastern attempt to rationalize the
creed by stripping it of mystery so far as the relation of Christ to God was concerned. In the New Testament and in Church teaching Jesus of Nazareth appears as the Son of God. This name He took to Himself (Matt., xi, 27; John, x, 36), while the Fourth Gospel declares Him to be the Word (Logos), Who in the beginning was with God and was God, by Whom all things were made. …