It is celebrated 15.11.2026 according to the Julian calendar, or 28.11.2026 according to the Gregorian calendar. See what else we celebrate on that day here.
Martyr Demetrius of Thrace (307)
Martyr Demetrius, born a Slav, in the village of Doad, in Thrace, was beheaded for his fervent confession of Christ, in about 307, during the reign of the Emperor Maximian.