saint

St Constantine the Great

Μέγας Κωνσταντῖνος

Roman emperor (c. 272–337), the first Christian emperor; legalised Christianity by the Edict of Milan (313) and convoked the First Ecumenical Council at Nicaea (325). Feast day 21 May (jointly with his mother Helena).

Mentioned in 2 passages.

Mentioned in

Historical Study Concerning the Precious Cross

Concerning the Veneration of the Faithful for the Life-giving Cross of the Lord, and That it is an Apostolic Tradition to Mark Oneself With the Sign of the Cross and to Depict and Inscribe it Everywhere

The Lives of the Saints

The Life of Saint Nicholas