Cambridge repeats itself.
Not all of it is true.

It is the most repeated story in the city, and it is not true in any of its parts.

Isaac Newton did not design, build or have anything to do with the Mathematical Bridge at Queens’ College. He died in 1727. The bridge was built in 1749 — twenty-two years later — to a design by William Etheridge, constructed by James Essex.

The rest of the story goes that the bridge was originally held together without fastenings, that students took it apart to see how it worked, and that it had to be reassembled with bolts because nobody could rebuild it. There is no evidence for any of this. The timbers have always been fastened with iron.

What is actually interesting is the engineering the legend obscures: the bridge is built from straight timbers arranged on tangents to a curve, so an arch is produced without a single curved beam. Look at the tangent and radial members — that geometry is the reason the bridge is worth stopping for, and the Newton story is the reason most people never look.

The bridge is best seen from the river, or from inside Queens’, which admits visitors through the Visitors’ Gate on Queens’ Lane.

Cambridge has a genuine dispute here, and the honest answer is that it depends on what you mean by "oldest". Our pub pages are dated from archive records rather than from the sign outside.

Sign vs archiveThe Pickerel — usually called the oldest

It holds the longest continuous licence, conventionally dated to 1608, which is why it takes the title. The building complicates it: Historic England records the Magdalene Street frontage as early nineteenth century, while noting that the rear wing is sixteenth- and seventeenth-century timber-framing. The front is Georgian-era and the pub behind it is Tudor.

The Green Dragon — the older building

The Royal Commission recorded it as four tenements built in the sixteenth century, the oldest surviving pub building in the city. It was not in Cambridge at the time: Chesterton was a separate riverside village, and the pub served merchants travelling to Stourbridge Fair, for centuries among the largest fairs in Europe.

Sign vs archiveThe Mitre — three dates, none of which agree

The carriage arch carries 1754. The plaque outside records the earliest known licensee in 1752. The licensee sequence compiled from T. E. Faber’s parish history puts that same man in the house from 1744, with the site’s licensed history running back to an alehouse licence of 1615/16. Historic England dates the arch itself to the nineteenth century — so the carved date is about a century younger than the year it announces.

So: the Pickerel has the licence, the Green Dragon has the building, and the Mitre has an arch that postdates its own date by roughly a hundred years. Any of the three can be called oldest with a straight face, provided you say which sense you mean.

• The Pickerel InnGeorgian front, Tudor back, and the longest licence in the city.
• The Green DragonA sixteenth-century building in what was then a different village.
• The MitreThree dates, and an arch younger than all of them.

It is not a cathedral. It is a college chapel. The cathedral for this diocese is at Ely, sixteen miles north, and the confusion is understandable given the scale — but the distinction is not pedantry, it is what the building is for.

Henry VI did not live to see it finished. He laid the foundation in 1446 and the chapel was not completed until the 1510s, under later kings and after a long interruption. It is not the product of a single medieval campaign, and the fan vault — the thing you are actually looking up at — is separated from the foundation by decades.

The composition you photograph from King’s Parade is not purely medieval either: major eighteenth- and nineteenth-century work sits in the frame alongside the chapel.