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Antoninus of Piacenza
Christian saint and martyr
SaintFull write-upAncient RomePre-congregation
Feast: 30 September (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
270
Died
303
Beatified
—
not needed: before formal processes
Canonised
By tradition
recognised before formal processes began
Who they were
At Piacenza, Saint Antoninus, 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 30 September as a martyr at Piacenza.
Connected on this site
- Sabinus of Piacenza Saint“Sabinus of Piacenza established his sanctuary, following a rediscovery of the relics.” — Wikipedia
Sources
- Roman Martyrology, 30 September (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q3619135 — dates, feast day and identifiers (CC0)
- English Wikipedia — Antoninus of Piacenza (CC BY-SA)
Checked against the sources listed on 22 September 2026. Corrections welcome.