Annals of Ulster
The Annals of Ulster records a “failure of bread”
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Original prompt & settings (JSON) ↗The entire Irish notice is three words in translation: “Failure of bread.”
Three words under 536
Entry U536.3 of the Annals of Ulster contains only the terse statement “Failure of bread.”
It supplies no month, no location, no cause, no named participants, no death toll and no description of what happened next.
“Early in 536” is therefore unsupported: the entry carries no month or season at all.
Even the year wobbles
The U536 heading itself carries the chronological rubric “AD 535”, which illustrates how complicated it is to convert the annals’ internal chronology to modern dating.
A parallel annalistic tradition, the Annals of Inisfallen, places the same “Failure of bread” notice under 537.
The surviving Annals of Ulster manuscript tradition is medieval, not an autograph written in 536, so the age of this individual notice cannot be demonstrated from the entry alone.
No volcano in the text
The annal gives no cause. It does not say the sun darkened, that snow fell, or that people resorted to cannibalism.
The volcanic explanation is a modern inference drawn from ice cores and tree rings, not something the annalist stated.
Modern research treats the early Irish annals as valuable climate evidence and finds that they credibly reflect the severe downturn beginning around 536 — which still does not turn this entry into a contemporary report of an eruption.
Sources
Researched 23 Aug 2026 6 sources not yet audited Traditional date
How this was checked
Researched from the web into a fact sheet and rewritten from that sheet. This article has not yet had an independent model audit. How the pipeline works →
Traditional date. This date is the conventional one, not one fixed by a contemporary record.
What the sources leave uncertain
- “Early in 536” is unsupported: U536.3 has no month or season.
- The U536 heading itself contains the chronological rubric “AD 535,” illustrating the complications in converting the annal's internal chronology to modern dating.
- The parallel Annals of Inisfallen assigns the bread failure to 537.
- The surviving Annals of Ulster manuscript tradition is medieval, not an autograph written in 536; the age and transmission of this individual notice cannot be demonstrated from the entry alone.
Checked against
- University College Cork CELT — Annals of Ulster, U536
- University College Cork CELT — Annals of Inisfallen, AI536–537
- Ludlow et al., Medieval Irish chronicles reveal persistent volcanic forcing
- McCarthy, The chronology and sources of the early Irish annals
- Sigl et al., Timing and climate forcing of volcanic eruptions for the past 2,500 years
- Helama et al., Volcanic dust veils from sixth-century tree-ring isotopes