Holy Martyrs Timothy, Polios and Eutychios, deacons of Africa.
Timothy, Polios and Eutychios were deacons in the Roman province of Mauretania who preached Christ and were put to death for their faith. Few details of their martyrdom have been preserved.
They are commemorated on May 21.
Feast day
On the New Calendar, Timothy, Polios and Eutychios is commemorated on May 21. Churches on the Old (Julian) Calendar keep the feast on June 3 of the civil calendar.
Also commemorated on May 21

Constantine and Helen
Great Feast, Κωνσταντίνος και Ελένη
Equal-to-the-Apostles Emperor Constantine the Great and his mother Helen.
Name days: Konstantinos, Kostas, Kostis, Dinos, Konstandinos, Constantine, Costas, Costa, Gus, Konstantin, Eleni, Elena, Helen, Elli, Lena, Heleni, Konstantina, Constantina, Dina, Ntina, Kostoula, Helena, Ellen, Elenitsa, Nitsa, Lenio
Pachomios the New Martyr
Martyr, Παχώμιος ο Νέος
Venerable Martyr Pachomios of Ousaki, an Athonite monk beheaded for Christ.
Kassianos the Greek
Venerable, Κασσιανός ο Έλληνας
Venerable Kassianos the Greek, wonderworker of Uglich.
Constantine of Murom with his sons Michael and Theodore
Saint, Κωνσταντίνος του Μουρόμ
Holy Princes Constantine, Michael and Theodore of Murom, enlighteners of that region.
Christopher of Antioch
Hierarch, Χριστόφορος Αντιοχείας
Hieromartyr Christopher I, Patriarch of Antioch, murdered for his faith.