Christians had already been singled out under Nero in AD 64, when they were executed as scapegoats for the great fire of Rome. Tacitus explained that this was possible because the movement was already “a pernicious superstition” spreading from Judea to Rome itself.

Under Trajan we find something new: the earliest preserved imperial correspondence about Christians. Around AD 111–113, Pliny the Younger wrote to the emperor, uncertain how to judge these people who seemed to be everywhere in his province. His letter, and Trajan’s reply, provide the first official window into how Rome defined the Christian movement: not for crimes committed, but for stubborn loyalty to Christ.

Pliny’s First Provincial Post

Pliny the Younger had served in Rome as a lawyer, senator, and consul, but in AD 111 Trajan appointed him governor of Bithynia-Pontus in Asia Minor. This was his first post outside Rome, and very early in his service he encountered Christians.

Bithynia-Pontus was no small territory. It stretched across the Black Sea coast of northern Asia Minor, covering about 50,000–80,000 square kilometers — comparable to a modern U.S. state like South Carolina or a country like Ireland. Its population likely numbered one to three million people, scattered across major cities such as Nicomedia (the capital), Nicaea, Amisus, and Sinope, as well as countless villages and rural communities.

It was a wealthy and strategically important province, close to Rome’s troubled eastern frontier. Pliny had been sent there with special imperial authority to repair corruption in the local cities and restore order to provincial finances. He wrote dozens of letters to Trajan on everything from aqueduct projects to fire safety. Among them is this extraordinary letter — the earliest Roman testimony we possess about Christians.

Pliny’s Letter to Trajan (Letters 10.96, Loeb)

“It is my rule, Sir, to refer to you all matters concerning which I am in doubt. For who is better able either to direct my hesitation or to instruct my ignorance? I have never been present at any trials of Christians; therefore I do not know what is the customary subject-matter of investigations and punishments, or how far it is usual to go. Whether pardon is to be granted on repentance, or if a man has once been a Christian it does him no good to have ceased to be one; whether the mere name, apart from atrocious crimes associated with it, or only the crimes which adhere to the name, is to be punished—all this I am in great doubt about.

In the meantime, the course that I have adopted with respect to those who have been brought before me as Christians is as follows: I asked them whether they were Christians. If they admitted it, I repeated the question a second and a third time, with a warning of the punishment awaiting them. If they persisted, I ordered them to be led away for execution; for I could not doubt, whatever it was that they admitted, that stubbornness and unbending obstinacy ought to be punished. There were others similarly afflicted; but, as they were Roman citizens, I decided to send them to Rome.

In the case of those who denied that they were or had been Christians, when they invoked the gods in the words I dictated and offered prayer with incense and wine to your image, which I had ordered to be brought for this purpose together with statues of the gods, and furthermore cursed Christ—none of which things, I am told, those who are really Christians can be forced to do—I thought they ought to be discharged.

Others, who were named by an informer, first said that they were Christians and then denied it; true, they had been of that persuasion, but they had left it, some three years ago, some more, and a few as much as twenty years. All these also worshiped your image and the statues of the gods, and cursed Christ.

They maintained, however, that the sum and substance of their fault or error had been that on a fixed day they were accustomed to meet before daylight and to recite by turns a form of words to Christ as to a god, and that they bound themselves by an oath—not for any crime, but not to commit theft, robbery, or adultery, not to break their word, and not to refuse to return a deposit when called upon to restore it. After this it was their custom to separate, and then meet again to partake of food—but ordinary and harmless food. Even this they said they had ceased to do after the publication of my edict, by which, in accordance with your instructions, I had forbidden associations.

I thought it the more necessary, therefore, to find out what was true from two slaves, whom they call deaconesses, by means of torture. I discovered nothing else but depraved, excessive superstition.

I therefore postponed the investigation and hastened to consult you. The matter seems to me to justify consultation, especially on account of the number of those in danger; for many of every age, every rank, and also of both sexes are already and will be brought into danger. For the contagion of this superstition has spread not only through cities, but also through villages and the countryside; and yet it seems possible to check and cure it. It is certain at least that the temples, which had been almost deserted, have begun to be frequented, and the sacred rites, long suspended, are again being performed, and there is a general demand for the flesh of sacrificial victims, for up till now very few purchasers could be found. From this it may easily be supposed what a multitude of people can be reclaimed, if only room is granted for repentance.”

Trajan’s Reply (Letters 10.97, Loeb)

“You have followed the right course, my dear Secundus, in examining the cases of those who had been denounced to you as Christians; for it is impossible to lay down any general rule which will apply as a fixed standard. They are not to be sought out; if they are brought before you and convicted, they must be punished. With this proviso, however—that if anyone denies that he is a Christian and proves it by worshiping our gods, he is to obtain pardon through repentance, even if he has incurred suspicion in the past.

As for anonymous accusations, they must not be admitted in any proceedings. For that would establish a very bad precedent and is not in keeping with the spirit of our age.”

Commentary on the Exchange

Pliny’s confession, “I have never been present at any trials of Christians,” shows both his inexperience and the fact that trials were already happening elsewhere. Christianity was under continual pressure across the empire, and now the problem landed on his desk.

The chilling reality is revealed in his line about “the mere name ….” To bear the name Christian was itself a death sentence. No crimes were needed. Identity alone was enough.

The procedure Pliny used shows just how brutal this was. He explains, “I asked them whether they were Christians. If they admitted it … I repeated the question a second and a third time … If they persisted, I ordered them to be led away for execution.” Imagine the horror of answering three times, knowing each affirmation sealed your fate.

He explains why: “stubbornness and unbending obstinacy ought to be punished.” His uncle, Pliny the Elder, had written:

Pliny the Elder, Natural History 28.3 (Loeb):
“There is no doubt that obstinacy (pertinacia) in every case is a kind of mental disease; and it is certainly detestable.”

Romans believed stubborn refusal to yield was itself madness. For Christians, refusing to recant was not insanity but faith. For Rome, it was intolerable.

Pliny even notes that apostates could prove themselves by worshiping Trajan’s image, since “none of which things … those who are really Christians can be forced to do.” This shows the fame of Christian commitment: even outsiders knew real Christians would never deny Christ.

He describes their worship: “on a fixed day … to Christ as to a god … by an oath … not to commit theft, robbery, or adultery … and then partake of food—but ordinary and harmless food.” This is the earliest pagan testimony to Christian worship of Jesus as divine.

Pliny adds they ceased such gatherings “after the publication of my edict … I had forbidden associations.” Christianity was caught in Rome’s general ban on private clubs. The suspicion of associations is illustrated vividly in another letter. When the city of Nicomedia asked to form a small fire brigade to deal with frequent blazes, Pliny petitioned Trajan for permission:

Pliny to Trajan (10.33): “The city of Nicomedia has been visited by frequent fires, and its narrow streets and the lack of aqueducts make this danger greater. They beg you to permit them to establish a fire brigade of 150 men. I will see to it that none but firemen are admitted into it. But still, it will be easy to keep them under control.”

Trajan flatly refused:

Trajan’s Reply (10.34a): “You are doubtless aware that societies of this sort have greatly disturbed the peace of the provinces, and particularly of your province. Whatever name we give them, and for whatever purpose they may be formed, they will not fail to degenerate into political clubs. Therefore we must not sanction the existence of such a body. It will be sufficient if private individuals bring help, and slaves too, when a fire breaks out.”

If Trajan would not allow even a fire brigade for public safety, how much less would he permit Christians to form weekly gatherings for worship.

Pliny then reports that he tried to get more information “from two slaves, whom they call deaconesses, by means of torture.” The Latin ancillae makes clear these were slaves. Roman law allowed slaves to be tortured for testimony, while free citizens were usually protected from such treatment.

What is remarkable is not only that slaves were tortured — that was routine — but that these enslaved women held the office of deacon (ministrae), functioning as ministers and leaders in their Christian community. To Rome, they were property; to the church, they were shepherds of the flock.

The Didache, written only a decade or two earlier, had instructed Christians to “appoint for yourselves bishops and deacons worthy of the Lord” (Did. 15). Now Pliny, in a completely different province, confirms the same office. This is the earliest Roman testimony that Christians had recognized offices — and it reveals something astonishing: the church entrusted even slaves, even women, with the role of deacon.

This convergence is remarkable. The Didache exhorted churches to choose deacons for their character; Pliny identifies two women who bore that title. To their fellow believers, they were leaders in worship. To Roman law, they were vulnerable bodies fit for torture. This single line in Pliny’s letter accidentally reveals the radical social reversal inside the Christian movement.

It is important to remember, however, that this is only one governor’s correspondence. Pliny was just one official among some forty provincial governors who administered Rome’s empire under Trajan. Their letters on taxation, roads, temples, and law were constant. It is reasonable to assume that similar exchanges about Christians were being carried on elsewhere, even if those letters have been lost. Trajan’s consistent instructions suggest this was not a one-off ruling, but an imperial policy applied across the empire.

Pliny also reports the movement’s scale: “many of every age, every rank, and also of both sexes … the contagion of this superstition has spread not only through cities, but also through villages and the countryside.” For a province the size of Bithynia-Pontus — with millions of inhabitants across urban and rural settings — this meant Christianity was embedded in every layer of society. He calls it a “contagion” to be “checked and cured,” echoing Tacitus who wrote that Christianity had been “checked for the moment” in Judea, but then broke out again in Rome.

Finally, Pliny admits that “the temples, which had been almost deserted, have begun to be frequented … the sacred rites … again being performed.” Christianity had already drained pagan practice. Only persecution revived it.

Trajan’s reply solidified the pattern: Christians were “not to be sought out; if … convicted, they must be punished.” Apostasy and sacrifice to the gods could secure pardon. Anonymous accusations were disallowed, but the danger remained.

And since this correspondence occurred in AD 111–113, it reflects how Christians had been treated from the beginning of Trajan’s reign in 98. For nearly two decades, the policy had been consistent: tolerated in silence, condemned if confessed.

Christian Voices Under Trajan

Ignatius of Antioch (c. 110–117)

Ignatius, Romans 6 (Loeb):
“Permit me to be an imitator of the passion of my God. If anyone has him within himself, let him consider what I long for and let him sympathize with me, knowing the things which constrain me.”

Ignatius explicitly calls Jesus “my God” and embraces death as imitation of his Lord’s passion.

Ignatius, Ephesians 20 (Loeb):
“Come together in common, one and all without exception in grace, in one faith and in one Jesus Christ … breaking one bread, which is the medicine of immortality, the antidote that we should not die but live forever in Jesus Christ.”

Ignatius shows the same worship Pliny described — but where Pliny saw superstition, Ignatius saw immortality.

Polycarp of Smyrna, Letter to the Philippians (c. 110–115)

Polycarp, Philippians 2 (Loeb):
“Stand firm, therefore, in these things and follow the example of the Lord, being strong and unchangeable in the faith, loving the brotherhood, cherishing one another, joined together in the truth, forestalling one another in the gentleness of the Lord, despising no man.”

Here Polycarp echoes the oath Pliny heard — not to crime, but to virtue.

Polycarp, Philippians 2 (Loeb):
“If we please him in this present world, we shall also receive the world to come, as he has promised us that he will raise us from the dead, and that if we live worthily of him we shall also reign with him, if indeed we have faith.”

Moral living is bound to resurrection hope and the lordship of Christ.

The Didache (c. 100–110)

Didache 1.2 (Loeb):
“The way of life, then, is this: First, you shall love God who made you; second, your neighbor as yourself; and all things whatsoever you would not have done to you, do not do to another.”

This is the oath Pliny summarized — binding oneself to moral life.

Didache 10 (Loeb):
“We give you thanks, holy Father, for your holy name which you caused to tabernacle in our hearts, and for the knowledge and faith and immortality which you made known to us through Jesus your servant. To you be the glory forever.”

Here the Eucharist is described in prayer form, matching Pliny’s “ordinary and harmless food,” but revealing its sacred meaning.

The Shepherd of Hermas (Rome, c. 100–117 for earliest layers)

Hermas, Vision 3.2.4 (Loeb):
“Those who endure cheerfully the things that happen, these are the ones who are blessed. It is they who will inherit life.”

This is the Christian redefinition of “stubbornness”: not madness, but blessedness.

Hermas, Mandate 8.6 (Loeb):
“Keep the commandments of the Lord and you will be approved and enrolled among the number of those who keep his commandments. But if you do any other thing, you will not be saved, nor your children, nor your household, since you have despised the commandments of the Lord.”

Hermas shows the seriousness of moral life, binding salvation to obedience.

Papias of Hierapolis (c. 110–130)

Eusebius, Church History 3.39.3–4 (Loeb):
“I shall not hesitate also to set down for you along with my interpretations whatsoever things I learned with care from the presbyters and stored up in memory, guaranteeing their truth. For I did not, like the multitude, take pleasure in those who spoke much, but in those who taught the truth, nor in those who related strange commandments, but in those who rehearsed the commandments given by the Lord to the faith and proceeding from the truth itself. And if by chance anyone who had been a follower of the presbyters should come my way, I inquired into the words of the presbyters, what Andrew or what Peter said, or what Philip or what Thomas or James or what John or Matthew or any other of the Lord’s disciples; and what Aristion and the presbyter John, the disciples of the Lord, say. For I did not think that what was to be gotten from the books would profit me as much as what came from the living and abiding voice.”

Eusebius, Church History 3.39.15–16 (Loeb):
“And this the presbyter used to say: Mark, having become the interpreter of Peter, wrote down accurately whatever he remembered of the things said and done by the Lord, but not however in order. For he had neither heard the Lord nor followed him, but afterward, as I said, he followed Peter, who used to frame his teaching to meet the needs of his hearers, but not as making a connected narrative of the Lord’s discourses. So then Mark committed no error while he thus wrote down some things as he remembered them; for he took thought for one thing not to omit any of the things which he had heard, nor to falsify anything in them.

So then Matthew composed the oracles in the Hebrew language, and each man interpreted them as he was able.”

Papias, bishop of Hierapolis in Asia Minor, was writing during or soon after Trajan’s reign — in the same region Pliny governed. While Pliny dismissed Christianity as a superstition to be cured, Papias was carefully preserving the traditions of the apostles. His testimony shows that Christians of this time were not inventing novelties, but guarding what they believed came from Andrew, Peter, John, Matthew, and others.

Why Rome Considered Christianity a Superstition

Pliny the Elder had explained decades earlier:

Pliny the Elder, Natural History 30.12 (Loeb):
“Among foreign rites, it is only the ancient ones that have gained recognition; the rest are held accursed.”

Judaism was tolerated because it was ancient. Christianity, though born out of Judaism, was treated as new — and therefore dangerous. Rome did not see it as a venerable faith, but as an illegitimate superstition.

Conclusion

Pliny’s letter and Trajan’s reply give us the earliest imperial window into the treatment of Christians. They were punished not for crimes but for their name, not for sedition but for stubborn loyalty.

Rome called it obstinacy; Christians called it faith. Rome called it superstition; Christians called it worship. Rome called it contagion; Christians called it life.

And because this exchange took place late in Trajan’s reign, it shows that from AD 98 to 117 the policy never wavered: Christians were not to be hunted, but if accused and refusing to recant, they must die.

At the very same time, Ignatius longed to die for “my God,” Polycarp exhorted believers to live worthily of Christ, the Didache described the Eucharist as thanksgiving through Jesus, Hermas taught endurance as the path to life, and Papias preserved the sayings of the apostles.

Even Pliny, though hostile, could not deny the truth: Christianity was everywhere — men and women, rich and poor, city and countryside. It had weakened the pagan temples. It could not be forced into silence.

The empire tried to check and cure it. But history shows that the “contagion” of Christ only spread further — carried even by slaves who bore the title of deacon, ministers and leaders in their assemblies, and by all who confessed his name three times, even unto death.