The Altneuschul, Prague

The Altneuschul stands in Prague's Josefov quarter and has held Jewish prayer, without interruption for repair or replacement of the building itself, since the later thirteenth century. That single fact of continuous use is the whole case: it is not a ruin excavated from beneath a later city, nor a fragment moved into a museum case. It is a working synagogue, still davening, in a building whose stone vaults and brick gable a visitor can put a hand on today. Age this ordinary and this unbroken is rare for any building in Europe. For a synagogue it is close to unique.

The name itself is a record of the building's own history. "Altneuschul" - Old-New Synagogue - was already in use by the sixteenth century, when the congregation needed a way to distinguish this building from newer synagogues built after it in the same quarter. A structure old enough, by then, to need the word "old" in its own name is a structure whose age was already a matter of local memory, not later reconstruction.

What the stone shows

The building itself is early Gothic: a twin-nave hall with rib vaults resting on two central octagonal pillars, walls of exposed stone and brick, and a stepped brick gable added to the exterior some generations after the original construction. The nave's five-rib vaulting is usually read as a deliberate choice by the builders to avoid the cross shape that a standard four-part Gothic vault would trace across the ceiling - a small design decision with a large point behind it, made by people building a Jewish house of prayer inside a Christian city's own architectural vocabulary and quietly declining to reproduce its central symbol overhead.

Inside, the bimah sits enclosed by a wrought-iron grille between the two pillars, and the walls carry no figurative decoration, in keeping with the customary reading of the second commandment - only text, in Hebrew, painted directly onto plaster that has been renewed many times but never removed to make way for anything else. The building has been repaired after fires and after damage, most seriously in a fire that swept the Jewish quarter in the sixteenth century, but each repair kept the medieval structure rather than replacing it, which is why the vaults a visitor sees today are substantially the ones the original builders raised.

The banner and the emperor

Among the synagogue's furnishings hangs a red banner bearing a Star of David and a pointed hat, given to Prague's Jewish community by the Holy Roman Emperor Ferdinand III in the mid-seventeenth century in recognition of the community's part in defending the city during a siege in the Thirty Years' War. It is one of the oldest Jewish communal banners in Europe still associated with the building for which it was made, and it sits in the synagogue as a physical record of a moment when a Jewish community's loyalty to its city was formally and publicly rewarded by the crown - not a story told about the community from outside, but an object the community itself has kept.

The banner matters as evidence for the same reason the building does: it is not a text repeating a claim, it is an object that was made for a specific occasion, given by a specific authority, and has been kept by the people to whom it was given ever since. Objects like this corroborate the ordinary, often overlooked fact that medieval and early-modern Jewish communities were not only tolerated or persecuted in turns, but on occasion formally honoured by the same authorities who elsewhere restricted them - the whole, complicated relationship in one piece of cloth.

Why it matters as evidence

Most evidence for medieval Jewish life in Europe survives as fragments: a document in an archive, a gravestone, a foundation excavated after a later building above it was demolished. The Altneuschul is different in kind. It is a complete, standing, still-functioning building whose walls, vaults and furnishings can be inspected directly, whose age is not reconstructed from records but visible in its own stonework, and whose use has never been broken long enough to require the building to be reconsecrated or reinvented as a monument. A visitor does not need to be told that Jewish communal life in Prague reaches back to the thirteenth century. The vaulting overhead is the argument.

That continuity also makes the building a rare kind of witness to what came after it. It stood through plague years, through the ghetto's later clearance and rebuilding around it in the nineteenth century, and through the Nazi occupation, when so much of the Jewish quarter's surrounding fabric was destroyed while Prague's synagogues and ritual objects were, for grimmer reasons, preserved. The Altneuschul survived all of it as itself, not as a replica or a reconstruction, and it is still, on any given Sabbath, exactly what it was built to be.