No likeness on file
Eusebius of Nicomedia
martyr at Nicomedia
SaintResearchedDate unknown
Feast: 28 April (not on the universal Roman calendar; kept in the Roman Martyrology or local calendars)
Born
—
unknown
Died
—
unknown
Beatified
—
not on record
Canonised
—
not on record
Who they were
At Nicomedia, Saints Eusebius, Charalampus and companions, martyrs.
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 28 April as a martyr at Nicomedia with Saint Charalampus and their companions.
Connected on this site
- Athanasius of Alexandria Saint“During his reign as Patriarch, he faced repeated conflict with the Arians (including powerful and influential Arian churchmen led by Eusebius of Nicomedia), in addition to the Emperors Constantine, Constantius II, Julian the Apostate, and Valens, resulting in five exiles over a total period of 17 years.” — Wikipedia
- Constantine the Great Saint“Although Constantine lived much of his life as a pagan, he later became a catechumen, as he began to favour Christianity in 312, finally being baptised by Eusebius of Nicomedia, an Arian bishop.” — Wikipedia
Sources
- Roman Martyrology, 28 April (Italian Bishops' Conference, Santo del giorno)
- Wikidata Rd751441d — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.