Holy Martyrs Eugenios, Candidus, Valerian and Aquila of Trebizond.
Sts. Eugenios, Candidus, Valerian and Aquila were Christians of Trebizond in the persecution of Diocletian. Tradition relates that Eugenios overthrew the idol of Mithras on the mountain above the city; the four were arrested, tortured, and beheaded.
St. Eugenios is the patron of Trebizond and is greatly honored by the Greeks of Pontus. They are commemorated on January 21.
Feast day
On the New Calendar, Eugenios of Trebizond and those with him is commemorated on January 21. Churches on the Old (Julian) Calendar keep the feast on February 3 of the civil calendar.
Who celebrates a name day
People with these names keep their name day on this feast:
Also commemorated on January 21

Maximos the Greek
Venerable, Μάξιμος ο Γραικός
Venerable Maximos the Greek, Athonite scholar and confessor in Russia.