What Is Reformation Day? The Day the Church Turned Back to Scripture

Every October 31st, while most of the world is carving pumpkins, a much quieter observance happens in churches with roots in the Reformation — Lutheran congregations especially. It has nothing to do with costumes. It marks the day a monk nailed a piece of paper to a church door, and Western Christianity bent around it.

Where it comes from

On October 31, 1517, a German monk and university professor named Martin Luther is said to have posted 95 theses — a list of arguments for academic debate — to the door of the Castle Church in Wittenberg. Church doors doubled as the local notice board in that era, so the act itself wasn't the provocation it can sound like now. What was inside those theses was. Luther argued that the church's practice of selling indulgences — payments believed to shorten a soul's time in purgatory — had no real basis in Scripture. He wanted a debate among scholars. He got a movement that reshaped Europe.

What it actually marks

Reformation Day isn't, at its heart, a celebration of division. It's a celebration of a return: sola scriptura, "Scripture alone," as the final word — not church tradition layered on top of it, however well-intentioned. Once the debate Luther started grew far beyond a university argument, his own energy went less toward tearing anything down and more toward handing Scripture back to ordinary people. He spent years translating the New Testament, then the whole Bible, into German — so that people could read the words themselves, in their own language, instead of only hearing them recited in Latin.

How it's observed

• On Reformation Sunday, the Sunday nearest October 31st, many Lutheran and some Reformed congregations wear red — the color of the Holy Spirit and of witness — and sing Luther's own hymn, "A Mighty Fortress Is Our God."
• Some churches read a portion of the 95 theses aloud, or tell the story of the translators who risked a great deal to put Scripture into everyday language.
• There are no parades. Mostly it's a hymn and a sermon reminding a congregation why they're able to hold a Bible in their own tongue at all.

A quiet note

You don't need to know Latin, follow five-hundred-year-old theological debates, or take a side in old arguments to feel what sits underneath Reformation Day: that Scripture in your own hands, in your own language, was not always something to take for granted. Someone spent years of their life making that ordinary.

If part of what draws you back to a verse each day is exactly that — a plain, direct line of Scripture, in your own language, without anything standing between you and it — Bible Clock keeps one quietly in view on your iPhone, iPad, Mac, and Apple Watch.