Holy Martyrs Mark, Soterichos and Valentine of Asia.
Mark, Soterichos and Valentine were Christians of Asia Minor who were arrested during the persecution of Diocletian. After torture they were tied to horses and dragged over rocks until they died.
Their relics were later carried to the island of Thasos, where they were honored with a church.
Feast day
On the New Calendar, Mark, Soterichos and Valentine is commemorated on October 24. Churches on the Old (Julian) Calendar keep the feast on November 6 of the civil calendar.
Also commemorated on October 24

Sebastiane the Martyr
Holy Woman, Σεβαστιανή
Holy Martyr Sebastiane of Heraclea, disciple of the Apostle Paul.
Name days: Sevastiani, Sebastiane, Sevasti, Sebastiana
The Holy Woman and her Infant
Saint, Αγία Γυναίκα και το Βρέφος
The holy woman and her infant martyred at Najran with Saint Arethas.
Arethas of the Kiev Caves
Venerable, Αρέθας ο εν τω Σπηλαίω
Venerable Arethas the Recluse of the Kiev Caves.