Soldier and Confessor
The accounts describe Acacius as a Cappadocian centurion serving in the imperial army at the turn of the fourth century. The Orthodox synaxarion names his unit the Martesian regiment and his commanding officer Firmus, who interrogated the soldiers under his authority once persecution of Christians was decreed.
Sources connect the persecution to the reign of the emperor Maximian; the Orthodox Church in America's account specifies Maximian Galerius (305–311). Refusing to conceal his faith, Acacius confessed Christ openly before his commander and was thereupon delivered to torture, after which he was bound in heavy chains and imprisoned.
Imprisonment, Tortures, and Martyrdom
According to the synaxarion, Acacius suffered many tortures in Perinthus (also given as Pyrrinthus) in Thrace before being transferred to a superior officer named Vivianus and brought toward Byzantium. There he was scourged and endured further torments, and was ultimately sent before the prefect Flaccinus.
The traditional account relates that while Acacius prayed he heard a voice from heaven saying, 'Courage, Acacius, and be strong!' — a voice said to have been heard by his fellow prisoners as well, leading many of them to believe in Christ. The synaxarion further relates that at night the other prisoners saw radiant youths appear to the saint to wash his wounds and bring him food. By order of the authorities he was beheaded with the sword at Byzantium in the year 303.
Relics and Veneration
His relics were later transferred from Constantinople to Calabria in southern Italy. By tradition the relics were placed at a spring near Squillace, close to the Vivarium, the monastery founded in the preceding century by Cassiodorus; an arm relic was later moved to Guardavalle in 1584 by Bishop Marcello Sirleto, and other relics are recorded as having reached Cuenca and Ávila in Spain.
Acacius is venerated as a patron of soldiers. In the Western tradition he is counted among the Fourteen Holy Helpers. The Orthodox Church commemorates him on May 7; a translation of relics is also recorded on January 16, and his martyrdom has traditionally been dated to early May.