Saint Achillios, Bishop of Larisa, wonderworker and father of the First Ecumenical Council.
Achillios was born in Cappadocia and, after travels in the Holy Land and Rome, was chosen Bishop of Larisa in Thessaly in the fourth century. He took part in the Council of Nicaea in 325, where tradition relates that he confounded the Arians by a miracle.
He built churches, destroyed pagan temples and worked many wonders, reposing around 330. His relics were carried to Prespa in the tenth century and returned to Larisa in 1981.
Feast day
On the New Calendar, Achillios of Larisa is commemorated on May 15. Churches on the Old (Julian) Calendar keep the feast on May 28 of the civil calendar.
Who celebrates a name day
People with these names keep their name day on this feast:
Achillios, Achilleas, Achilles, Achillefs, Achileas
Also commemorated on May 15

Barbaros the Myrrhstreamer
Venerable, Βάρβαρος ο Μυροβλύτης
Venerable Barbaros the Myrrhstreamer, the former robber who became an ascetic in Aetolia.
Name days: Varvaros
Andrew the Hermit
Venerable, Ανδρέας ο Ερημίτης
Venerable Andrew the Hermit and Wonderworker of Epirus.
Silvanos of Tabennisi
Venerable, Σιλβανός ο Ταβεννησιώτης
Venerable Silvanos of Tabennisi, the actor who became a model of repentance under Saint Pachomios.
Panegyrios of Cyprus
Venerable, Πανηγύριος
Venerable Panegyrios the Wonderworker of Cyprus.
Name days: Panigyrios