Holy Child Martyrs David and Tarichan of Georgia, killed by their apostate uncle.
David and Tarichan were young brothers of a noble Georgian family in the seventh century whose uncle, having embraced Islam, sought to force them to follow him and to seize their inheritance. When they refused to abandon Christ, he killed them.
They are honored by the Georgian Church as child martyrs.
Feast day
On the New Calendar, David and Tarichan of Georgia 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

Martyrs of Lampsacus: Peter, Dionysios, Andrew, Paul and Christina
Martyr, Πέτρος, Διονύσιος, Ανδρέας, Παύλος και Χριστίνα
Holy Martyrs Peter, Dionysios, Andrew, Paul and Christina, who suffered at Lampsacus under Decius.
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