No likeness on file
Joseph Dang Dinh Vien
priest and martyr in Tonkin
SaintResearchedDate unknown
Feast: 21 August (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
In the city of Hung Yen in Tonkin, now Vietnam, Saint Joseph Dang Dinh (Nien) Vien, priest and martyr under the emperor Minh Mang.
The miracles
As a martyr he was raised to the altars without a miracle.
Why that counted as sanctity
The Roman Martyrology remembers him on 21 August as a priest martyred at Hung Yen in Tonkin under the emperor Minh Mang.
Sources
- Roman Martyrology, 21 August (Italian Bishops' Conference, Santo del giorno)
- Wikidata Q109435629 — dates, feast day and identifiers (CC0)
Checked against the sources listed on 22 September 2026. Corrections welcome.