In the Hebrew Roots Movement's account of church history, Constantine stands as the great villain - the Roman emperor whose conversion to Christianity in 312 AD initiated the systematic paganisation of the faith. He invented Sunday worship. He corrupted the Trinity doctrine at Nicaea. He introduced pagan elements - Christmas, Easter, the solar calendar - into what had been a pure, Torah-observant, Hebraic Christianity. He is the pivot point around which the HRM's entire historical narrative turns.
The historical sources do not support this narrative. They support a considerably more complex, more interesting, and in some ways more troubling story - but not the one the HRM tells.
Constantine: What He Actually Did
Constantine was not a simple character and his relationship to Christianity was not uncomplicated. He converted - or at least claimed conversion - after his victory at the Milvian Bridge in 312 AD, attributing his victory to the Christian God. The Edict of Milan in 313 AD extended religious tolerance throughout the empire, ending the persecution of Christians. He became the first Roman emperor to favour Christianity publicly, to build churches, to free Christian clergy from certain civic burdens, and eventually to summon the Council of Nicaea in 325 AD.
He was also a man of his time and his culture. He retained the title Pontifex Maximus - chief pagan priest. He was not baptised until he was on his deathbed. Coins minted during his reign continued to feature pagan imagery alongside Christian symbols. He executed his own son Crispus and his wife Fausta under circumstances that remain historically murky. He was, in short, a Roman emperor who found Christianity politically and personally useful, and who brought to it all the power, the ambition, and the moral complexity of a man who had fought his way to the top of the most powerful empire in the world.
None of this makes him a saint. But it also does not make him the architect of Christian apostasy. The changes the HRM attributes to Constantine - Sunday worship, the Trinity doctrine, the abandonment of Torah - all predate him by at least two centuries, as we have examined in other articles. He did not invent these things. He inherited a church that already had them.
The Council of Nicaea (325 AD)
The Council of Nicaea was called by Constantine to resolve the Arian controversy - one of the most significant theological disputes in church history. Arius, a priest from Alexandria, was teaching that the Son of God was a created being - exalted above all other creatures, the agent of creation, but not co-eternal and co-equal with the Father. His summary phrase was: ēn pote hote ouk ēn - "there was a time when he was not."
This was not a minor dispute about theological vocabulary. It was a dispute about whether the one Christians worshipped as Lord and Saviour was truly God - whether the salvation accomplished in Christ was genuinely divine in character or whether it was the work of a supreme creature. Athanasius of Alexandria, who opposed Arius, understood the stakes clearly: if the Son is not truly God, then humanity has not been united to God in the incarnation, and the deification that the Eastern tradition understood as salvation has not occurred.
The Council of Nicaea condemned Arianism and produced the Nicene Creed, affirming that the Son is homoousios - of the same substance - as the Father. This was not a new doctrine invented under imperial pressure. It was the crystallisation of what Christians had been saying about Jesus since the New Testament. The Gospel of John opens: "In the beginning was the Word, and the Word was with God, and the Word was God." Paul writes that in Christ "the whole fullness of deity dwells bodily" (Colossians 2:9) and that he is "the image of the invisible God" (Colossians 1:15). The Nicene formula gave precise philosophical language to what scripture had been saying all along.
Constantine's role at Nicaea was political rather than theological. He wanted unity in the empire. He supported the outcome that produced agreement - which happened to be the orthodox position - but there is no evidence that he dictated the theological content. The bishops argued the theology. Constantine wanted them to stop arguing and agree.
Did Constantine Paganise Christianity?
The HRM claim that Constantine introduced pagan elements into Christianity requires that we identify specific pagan practices that entered the church through his influence. The candidates usually cited are Sunday worship, Christmas, and Easter.
We have already examined Sunday worship at length. It is attested in Christian sources from 95 AD onward - nearly two and a half centuries before Constantine. It is not pagan.
Christmas - the celebration of Christ's birth - is first clearly attested in Rome in 336 AD, during Constantine's reign, making it plausible that it developed in this period. Whether December 25 was chosen to coincide with the Roman festival of Sol Invictus (the Unconquered Sun) or with older calculations of the date of Christ's birth is a genuinely debated historical question. What is not debated is that the celebration of Christ's birth has no structural connection to Torah observance - it is not a replacement of a Jewish feast but a new Christian observance.
Easter - the celebration of the resurrection - far predates Constantine. The Quartodeciman controversy of the second century, in which different regions of the church disagreed about the precise dating of the Pascha celebration, demonstrates that the resurrection feast existed and mattered long before Constantine. Nicaea settled the dating question, but it did not invent the celebration.
The broader claim that Christianity was "paganised" by Constantine typically relies on the work of popular writers like Alexander Hislop (The Two Babylons, 1858) whose methodology has been comprehensively demolished by serious scholars, and Frank Viola and George Barna (Pagan Christianity, 2008) whose historical arguments have been similarly criticised by historians across the theological spectrum. These books have had enormous influence in the HRM. Their history is not reliable.
What Nicaea Actually Settled
The Council of Nicaea settled three things of lasting significance: the Arian controversy (the Son is truly God), the dating of Easter (a uniform calculation rather than regional variation), and the status of the Meletian schism in Egypt (a local disciplinary matter). It did not settle the biblical canon - that is a persistent myth. It did not "vote Jesus divine" - the divinity of Christ was the traditional position the council was defending against Arius's innovation. It did not impose Sunday worship - Sunday worship was already universal.
Constantine's legacy for Christianity is genuinely mixed. The Constantinian settlement - the alliance of church and empire - created problems that the church has wrestled with ever since: the corruption of the church by political power, the confusion of civic and spiritual identity, the use of imperial force in theological disputes. These are legitimate concerns. But they are concerns about the institutional entanglement of Christianity with Roman political power, not about the corruption of Torah-observant primitive Christianity into something pagan.
The HRM needs Constantine to be the great corrupter because without him the restoration narrative has no pivot point. The historical Constantine is too complicated, too late, and too far downstream of the actual development of Christian practice to serve that function. The church was already worshipping on Sunday, already reading the Torah typologically, already describing the Mosaic covenant as fulfilled and superseded - before Constantine was born.
Jesus Christ is the same yesterday and today and forever. Do not be led away by diverse and strange teachings. - Hebrews 13:8–9
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