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# Every Date You Write Is a Theological Argument
## The Strangest Number in the Room
My daughter came home from school with her history homework returned in red ink. She had written "AD 410" — the year Alaric and the Visigoths sacked Rome — and her teacher had crossed out the two letters and written "CE 410" above them, with a note in the margin: *more inclusive terminology*. The number was untouched. The event was untouched. Only the abbreviation had changed.
I found myself sitting with that for longer than I expected.
What her teacher did was not unusual. Over the past three decades, BCE and CE have become standard in most British and American school textbooks, and the reasoning offered is consistent: we live in a plural society, and the calendar should reflect that. It is a tidy argument. It also, on closer inspection, does not quite work — and understanding why it does not work turns out to matter for more than homework.
Every signed contract in the world carries a year number. Every passport, every gravestone, every news headline, every court record. The Chinese Communist Party uses this system for international business. North Korea maintains its own Juche calendar for domestic purposes but reverts to the global one when it needs to communicate internationally. Atheist physicists use it. Buddhist monasteries use it. The entire coordinated apparatus of modern civilisation — shipping lanes, financial markets, satellite scheduling — runs on a single numbering system, and that system means one thing: this many years since the birth of Jesus of Nazareth.
That is the strangest number in the room. And the question of what to call it is not a minor matter of academic style.
## How a Monk with Bad Arithmetic Changed History
The man responsible for our calendar was a sixth-century Scythian monk working in Rome. His name was Dionysius Exiguus — which translates, depending on your Latin, as either Dennis the Humble or Dennis the Short. In 525, he was given a practical task: calculate the dates of future Easters so the church could plan ahead.
The existing method used the Diocletian era, counting years from the accession of Emperor Diocletian. Diocletian had presided over severe persecutions of Christians, and Dionysius refused to keep his name alive in the church's reckoning of time. Instead, he anchored the count to the incarnation of Christ. He called it *Anno Domini* — the year of the Lord.
His arithmetic was almost certainly wrong. Most contemporary scholars, working from Herod the Great's death date and the census records in Luke, place Jesus's birth somewhere between 6 BC and 4 BC, which means the system Dionysius built is off by several years. This is an irony worth sitting with: the calendar counting from Christ's birth probably does not start at Christ's birth. But the intention was clear and the theological logic was deliberate. Dionysius was not making a neutral administrative decision. He was making a statement about what time is for.
The system spread from there. Bede used it in his *Ecclesiastical History* in 731, and that effectively established it for the English-speaking world. Charlemagne's administration adopted it. European trade and empire carried it across the globe. By the time the world had enough contact to need a shared calendar, this was the one that existed, and its reach became universal. The number that now organises all of human civilisation is a number Dionysius created as an act of theological confession.
## What BCE Actually Confesses
BCE and CE — Before Common Era and Common Era — appeared in academic publishing from the late nineteenth century onward. The argument for them is straightforward: in a religiously plural society, the calendar should use language that does not privilege one tradition. Schools, government documents, and shared public life should be accessible to everyone regardless of belief.
That argument deserves a fair hearing, and I want to give it one. The impulse toward genuine inclusion is not cynical. A Jewish student or a Muslim student or a student with no religious background at all should be able to engage with history without feeling that the furniture of the classroom is making claims about their beliefs.
But there is a problem with the solution on offer. The era is only *common* because of the event at its origin. BCE and CE retain the number while declining to name its cause. The year we call 2025 CE is still the two-thousand-and-twenty-fifth year since the birth of Jesus of Nazareth. Changing the label does not change the referent. What the new terminology offers is not neutrality but the appearance of neutrality — a confession of dependence dressed as a declaration of independence.
Charles Taylor, in *A Secular Age*, describes what he calls the "subtraction story": the idea that secular space is neutral space, revealed simply by removing religion from the picture. Taylor's argument is that this is historically naive. Secular space is not a blank surface uncovered when you peel back religious commitments; it is itself a particular historical achievement, built on specific philosophical decisions, carrying its own set of convictions about what counts as knowledge and what counts as a reasonable public claim. Removing the label AD does not produce neutrality. It produces a different set of commitments, ones that happen to be less visible because they are assumed rather than stated.
Nietzsche saw something like this coming. His madman in *The Gay Science* does not celebrate the death of God; he warns that removing a foundation while leaving the structures built on it is not liberation but instability. You cannot take out the load-bearing wall and assume the house will stand unchanged.
I am not arguing that pluralism is a sham, or that schools are wrong to think carefully about inclusive language, or that every use of CE represents a philosophical capitulation. What I am saying is that the language of neutrality is doing more work than it admits. And Christians who make the shift without noticing — not because they have thought it through, but because it simply became the convention — have been outflanked rather than persuaded.
## The Hermeneutic of False Neutrality
There is a habit of thought worth naming here, because it shows up well beyond debates about calendar abbreviations. It is the assumption that removing explicit theological language from a shared space produces a level ground on which everyone can stand equally. The difficulty is that the ground was shaped by the thing you removed, and the new arrangement simply makes that shaping invisible rather than absent.
This matters practically. When we accept the framing that AD is the marked, confessional, partisan option and CE is the neutral, universal, default option, we have already conceded the argument before it begins. We have agreed that Christian conviction is a kind of addition to the normal human baseline rather than a substantive account of reality. That concession is worth noticing, even if — especially if — we then decide that in certain contexts we will use CE anyway.
The same logic appears in other areas. A school that teaches the origins of the universe without reference to creation is not teaching a view-from-nowhere; it is teaching a particular account of what counts as an explanation. A news culture that treats religious motivation as a bias requiring disclosure, while treating secular motivation as simply normal, is not being neutral; it is operating with a prior commitment about which kind of reasoning is default and which requires justification. Naming these things is not the same as objecting to them. It is simply being clear about what is actually happening.
## What the Anno Domini Claim Actually Is
AD is not a cultural preference or a relic of European dominance that we might reasonably update. It is a theological confession: that history has a centre, that the eternal God took on human flesh in a particular Jewish woman in a particular occupied province, was executed under a Roman prefect named Pontius Pilate, and rose on the third day, and that this event is the hinge on which all of time turns.
Augustine wrote *The City of God* in the aftermath of the very sack of Rome my daughter was writing about — AD 410, Alaric's Visigoths, the shock that reverberated through the empire. Augustine's argument was that the fall of Rome was not the fall of everything, because Rome was never the point. The incarnation is what makes it possible to read time as a story going somewhere rather than a confusion of rising and falling empires, each one replacing the last with nothing to show for it. Paul writes in Galatians 4:4 of "the fullness of time" when God sent his Son — a phrase that implies the centuries before Bethlehem were a kind of preparation, that history has a shape, that the number line is not neutral.
This is a large claim. It is meant to be. The calendar built on it is a large claim made quietly, year after year, in every date anyone writes anywhere in the world.
## Why the Controversy Is the Point
Christianity's central claim is not a spiritual experience or a moral framework or a cultural tradition. It is a datable, locatable, public event: a Jewish man crucified under Pontius Pilate, raised on the third day outside a specifiable city, in a particular decade of the first century. Paul states in 1 Corinthians 15 that if Christ has not been raised, faith is futile — a claim staked entirely on historical occurrence. The resurrection is not offered as a metaphor. It is offered as something that happened, around AD 30, that can in principle be investigated.
A faith built on that kind of claim should expect its calendar to be controversial. The incarnation is not a private religious preference that can be bracketed out of public life without loss. It is a claim about what actually happened, and therefore about what time actually is. If it is true, then the year number on every document in the world is a quiet testimony to the most important event in human history. If it is false, it is a vast and peculiar superstition embedded in global civilisation.
Either way, the controversy is not a problem to be managed. It is the point.
I should say plainly: the kingdom of God does not hinge on Latin abbreviations. Christians who use CE in academic publishing have not sold their birthright. I am not suggesting letters to textbook editors or arguments at parents' evenings. There is a difference between removing unnecessary offence — which is wise — and removing necessary witness — which is a different thing entirely. The question is which category this falls into, and that requires actual thought rather than passive drift.
## Writing the Date as a Daily Practice
Micah 6:8 asks three things: to do justice, to love mercy, and to walk humbly with God. That last phrase is worth sitting with. Walking humbly with God is not the same as walking silently. It means carrying your convictions into ordinary life — into the texture of daily choices, small gestures, unremarkable habits. It does not mean performing those convictions loudly or making every interaction into a declaration. It means that the way you live, in its ordinary details, reflects what you actually believe.
Writing AD when you date a letter is one of ten thousand such gestures over a lifetime. It is not heroic. It will not change anyone's mind on its own. But it is a small, daily, almost invisible act of honesty — a refusal to pretend that the number is floating free of its meaning, a willingness to let the confession stand in plain sight rather than tucking it away behind tidier initials.
My daughter is eleven. She has decided to keep writing AD. She may well get red ink again, and if she does, we will talk about it — about what the abbreviation means, about why her teacher made the choice she made, about how to hold a conviction without being obnoxious about it, about the difference between a hill worth dying on and a hill worth simply standing on quietly.
The date she writes at the top of her homework is a theological argument. It always was. The only question is whether we notice.