- 2 August
- 16 December prior to 1969
- 1 August (in the Piedmont region of Italy)
- 15 December (consecration of Saint Eusebius)
Born to a pious family; some records indicate that his father died a martyrs. Studied in Rome, Italy; one of his fellow seminarians was the future Pope Saint Liberius. Priest and lector in Rome. First bishop of Vercelli, Italy, consecrated on 16 December 340 by Pope Saint Julius I. Lived with and follow the same discipline as his priests. Founded a convent with his sister Eusebia serving as its abbess.
Eusebius attended the synod of Milan, Italy in 355. He was exiled for eight years by emperor Constantius to Palestine and Cappadocia for his strong opposition to Arianism; he spent part of the time in prison, and as soon as he returned, he began preaching against Arianism. Friend of Saint Athanasius of Alexandria, and attended a synod organized by him in Alexandria. A profilic writer according to his contemporaries, none of his works have survived. May have been martyred by Arians, but reports vary; many consider him a martyr as he may have died as a result of his sufferings in exile.
- “Saint Eusebius of Vercelli“. CatholicSaints.Info. 31 October 2016. Web. 4 December 2016. <>