Saint Basil of Ancyra, distinguished in the sources as Basil the Presbyter of Ancyra, was a priest of the Church in Ancyra — the city of modern Ankara in central Asia Minor — during the fourth century. He is to be kept distinct from the contemporary bishop of the same city; this Basil was a presbyter remembered chiefly as a confessor and martyr.
He lived through one of the most contested periods of early Christian history, when disputes over the person of Christ and the doctrine of the Holy Trinity divided communities across the Roman Empire. Basil aligned himself firmly with the Nicene faith and opposed Arian teaching, and during the reign of Constantius II he is said to have suffered exile and harassment for that stand.
The accession of the emperor Julian in 361 brought a concerted effort to revive the old pagan cult and to roll back the public influence of Christianity. Basil openly criticized these measures and urged the faithful of Ancyra to hold to their confession despite mounting pressure, which drew the attention of the imperial authorities.
Arrested and interrogated, he was repeatedly pressed to offer sacrifice to the gods and as repeatedly refused. The early accounts of his passion describe prolonged and severe torture borne without recanting; he was put to death about the year 362 or 363, becoming one of the better-known martyrs of Julian's brief reign.
His endurance was remembered as an example of steadfast confession at a moment when, after decades of growth and new legal standing, Christians once again faced state-sponsored opposition. The Church commemorates him as a martyr, and because he held the priesthood he is also numbered among the hieromartyrs.