1,947 Years Ago Today, Vesuvius Buried Pompeii — The People Who Guard the Ruins Have Changed That Date Twice in Six Years — Woody Magazine, Aug. 24, 2026
1,947 Years Ago Today, Vesuvius Buried Pompeii — The People Who Guard the Ruins Have Changed That Date Twice in Six Years
- The only ancient text that dates the burial of Pompeii — a letter by Pliny the Younger — says August 24, and the oldest surviving copies, from the ninth century, agree.
- In 2018 the Archaeological Park of Pompeii announced that the eruption probably fell on October 24, on the strength of a charcoal graffito reading only "October 17," with no year. The world's newspapers wrote the new date down.
- In December 2024 the same park withdrew that evidence, after writing the same words in charcoal on the same wall — and noted that search engines still serve up October first.
Somewhere in today's "on this day" round-ups sits the year 79: Vesuvius erupts, Pompeii is buried. It's the date most of us learned in school. Post it now, though, and a reply tends to appear within minutes: "Actually, that got moved to October." Fair enough — in the fall of 2018, newspapers around the world said exactly that. What the reply doesn't know is that the people who moved the date took it back in the winter of 2024.
Start with where the date comes from. Exactly one ancient text records the day Pompeii died. Its author, Pliny the Younger, was seventeen when the mountain went up, living with his uncle at Misenum, across the Bay of Naples. The uncle is the famous one: Pliny the Elder, author of the Natural History and commander of the Roman fleet stationed there. He saw the strange cloud, sailed toward it to pull people out, and never came back. Nearly thirty years later, the historian Tacitus asked the nephew for an account of that death. The reply opens with a time stamp: on the ninth day before the Kalends of September, at about the seventh hour, my mother pointed out to him a cloud of unusual size and shape. Count it the Roman way and you land on August 24.
Here is the part worth holding on to. The original letter does not exist. What survives are copies of copies made in medieval scriptoria, the oldest from the ninth century — and on this date, the oldest copies do not disagree. In courtroom terms: one witness, a deposition that survives only in copies, and a date line that reads the same in every copy you open.
Then, in the eighteenth century, the digging began — and odd things came out of the ash. Pomegranates, walnuts, chestnuts. Braziers in house after house. Heavy clothing on the plaster casts of the dead. Braziers and winter cloaks in a Neapolitan August? Call it autumn and the story turns tidy. In 1797 Carlo Maria Rosini, a Neapolitan bishop and classical scholar, became the first to emend the letter's date, proposing November 23 on the theory that a copyist had botched the month. Cassius Dio, a historian writing more than a century after the disaster, had placed it in "autumn," which seemed to help. Scholars combed the manuscripts for anything that looked like "Nov," and in 1929 two of them produced October 24 for the first time. The October date we all argue about is not yet a hundred years old.
Note what happened there. The testimony hadn't moved. What moved was the common sense the jurors carried into the room: pomegranates ripen in fall; braziers mean cold. That common sense came to outweigh a seventeen-hundred-year-old deposition, and suspicion settled on the scribes. Medieval copyists botch things — fair enough. They often did.
Then came what looked like the clincher. On October 16, 2018, the Archaeological Park of Pompeii unveiled a charcoal inscription on a wall of the newly excavated House of the Garden. It read XVI K NOV — the sixteenth day before the Kalends of November, or October 17. No year. Massimo Osanna, the park's director, described a workman's joke scrawled on a wall mid-renovation. The reasoning ran: charcoal is fragile and fades fast, so this must have been written in October of 79, about a week before the end. Italy's culture minister, Alberto Bonisoli, stood on site and said, "Today we are rewriting the history books." Within a day the eruption had a new date, October 24, and the wires carried it everywhere. The Getty published an evidence review the following year concluding that the balance now tipped toward October. And we understand why the graffito landed so hard: charcoal on a wall looks like it was written yesterday. The jury had carried its common sense into the room again — charcoal doesn't last.
Six years later, the same institution overturned its own verdict. In December 2024, the park's new director, Gabriel Zuchtriegel, and his colleagues published a paper in the park's own excavation journal. Its title: "The date of the destruction of Pompeii: premises for an open debate." Its first sentence: search the internet for the eruption's date today, and October 24 comes up among the top results. The paper then takes that date apart, exhibit by exhibit.
First, the deposition. Pedar Foss, a classicist at DePauw University, had combed through the manuscripts and early printed editions of Pliny's letters for his 2022 book, collating them line by line. The result was blunt. The "Nov" readings are misreadings of "non" — a medieval "n" and "v" are easy to confuse. And October 24 comes from counting the same word twice: once as "ninth," once as "November." In Foss's words, the date has "zero evidentiary basis." The manuscripts do not offer a menu of dates. They offer one. Even Dio's "autumn" dissolves on inspection: by Roman reckoning, autumn began on August 8.
Next, the charcoal. Rather than argue, the park ran an experiment. On October 17, 2023, its restorers and archaeologists took a piece of oak charcoal to the very wall in the House of the Garden. At the same height as the original, they wrote: XVI K NOV 2023 ARCHEOLOGIA SPERIMENTALE. Then they photographed it every month. A roof kept off the rain, as one had in antiquity, but wind, damp, and sunlight came and went freely. The final photograph was taken on August 24, 2024 — a coincidence with the traditional date that the paper itself points out. After ten months the inscription was, in the paper's words, perfectly legible; the firmer strokes looked fresher than ever. In a side test, the writing came away with a soft brush and a damp cotton swab, and dissolved under simulated rain. Charcoal, it turns out, is fragile to hands and weather — not to time under a roof.
The house got a second look too. The supposedly active construction site held no stacked materials and no tools. The kitchen was in use, the chests held valuables, and victims had taken shelter in a room beside the entrance. The plaster carrying the graffito was the finished wall; only the floor was never laid. Anyone who has renovated a home knows a floor can wait a year. Elsewhere in Pompeii, a graffito dated by the consuls it names to AD 15 was still sitting on a wall sixty-four years later. So the inscription may just as well belong to October 17 of the year 78 — ten months before Pliny's date. The paper borrows a referee's word for it and rules the graffito offside: out of the game, whichever side you're on.
The fruit got its second look as well. The famous pomegranates turn out to be a one-ton heap of peels in a warehouse at Oplontis, most likely stored for dyeing cloth — kept for months, possibly shipped in. Peach stones and chestnut husks lay in the same layer, summer fruit and fall fruit side by side — and the paper suspects the assumption rather than the find. Pliny the Elder himself catalogued late-ripening peach varieties, and an early chestnut can't be ruled out — chestnuts that ripen in August exist today. Braziers cooked food as well as heated rooms. The coin of Titus once billed as decisive lost its force in 2013, when its reading was contested.
One caution before the takeaway. The park has not declared August 24 correct. Its position is narrower and, for that, sturdier: archaeology can confirm Pliny's date or disprove it, but it doesn't get to pick a favorite from the alternatives. And nothing currently in hand is precise enough to disprove August 24. Osanna himself, publishing the graffito in a 2019 book, noted that it was not decisive, since charcoal could in theory survive a year. That careful line stayed in the book. It never made the headlines.
What's worth keeping from all this isn't Pompeii's date. It's what moved the date. No new witness appeared in 1797 or in 2018; not one letter of the testimony changed. What flipped the verdict, both times, was the common sense the jury carried in: pomegranates only come in fall, charcoal only lasts days. Nobody tested that common sense until 2023. So the next time a headline says new evidence is rewriting history, one question comes first: is the evidence new, or is it the assumption being used to read it?
Twenty months have passed since the park pulled its own evidence. The 2018 announcement came with a minister standing in the ruins and the world's press taking notes. The 2024 retraction came inside issue 27 of an Italian-language excavation journal. Run the search today and the 2018 stories — the date has moved to October — still sit at the top of the results. News runs when a date changes. It doesn't run when the date changes back.
- Source ↗ G. Zuchtriegel, C. Comegna, F. Conte, A. Russo, "La data della distruzione di Pompei: premesse per un dibattito aperto," E-Journal degli Scavi di Pompei 27, Dec. 12, 2024 (PDF, in Italian)
- Source ↗ Archaeological Park of Pompeii, press release on a new reading of the charcoal inscription, Dec. 12, 2024
- Source ↗ Pliny the Younger, Epistulae 6.16 (Latin text, Perseus Digital Library)
- Source ↗ K. Lapatin, "When Did Vesuvius Erupt? The Evidence for and against August 24," Getty, Aug. 23, 2019
- Source ↗ ANSA, report on the charcoal inscription and the October dating, Oct. 16, 2018 (in Italian)
- Source ↗ Quotidiano.net, report on the announcement, with Minister Bonisoli's remarks, Oct. 16, 2018 (in Italian)
- Pedar W. Foss, Pliny and the Eruption of Vesuvius, 2022 (link not verified)
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