Picture: Authors of Menologion of Basil II (circa 985 AC, Constantinople), Byzantine manuscript illuminators[4]: Pantoleon with Georgios, Michael the Younger, Michael of · Public domain · Wikimedia Commons
Dasius of Durostorum
Bulgarian saint
SaintResearchedAncient RomePre-congregation
Feast: 20 November (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
201
Died
—
unknown
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
At Silistra in Moesia, in present-day Bulgaria, Saint Dasius, martyr.
The miracles
There was never a formal cause: he has been honoured as a saint since before the Church's formal processes began.
Why that counted as sanctity
The Roman Martyrology remembers him on 20 November as a martyr at Silistra.
Sources
- Roman Martyrology, 20 November (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q2817275 — dates, feast day and identifiers (CC0)
- English Wikipedia — Dasius of Durostorum (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.