Holy Martyrs Peter, Dionysios, Andrew, Paul and Christina, who suffered at Lampsacus under Decius.
Peter, a young Christian of Lampsacus on the Hellespont, refused to sacrifice to Aphrodite and was tortured and killed under the Emperor Decius. Dionysios, Andrew and Paul were arrested with him, and the virgin Christina, who encouraged them, was also martyred.
They are commemorated together on May 18.
Feast day
On the New Calendar, Martyrs of Lampsacus: Peter, Dionysios, Andrew, Paul and Christina is commemorated on May 18. Churches on the Old (Julian) Calendar keep the feast on May 31 of the civil calendar.
Also commemorated on May 18

Stephen of Constantinople
Hierarch, Στέφανος Κωνσταντινουπόλεως
Saint Stephen, Patriarch of Constantinople, brother of the Emperor Leo the Wise.
Theodore, Pope of Rome
Hierarch, Θεόδωρος Πάπας Ρώμης
Saint Theodore, Pope of Rome, defender of Orthodoxy against Monothelitism.
Potamon of Heraclea
Hierarch, Ποταμών Ηρακλείας
Hieromartyr Potamon, Bishop of Heraclea in Egypt, confessor and father of Nicaea.
Name days: Potamon
David and Tarichan of Georgia
Martyr, Δαβίδ και Ταριχάνης
Holy Child Martyrs David and Tarichan of Georgia, killed by their apostate uncle.