It is celebrated 18.10.2026 according to the Julian calendar, or 31.10.2026 according to the Gregorian calendar. See what else we celebrate on that day here.
Martyr Marinus the Elder at Anazarbus (4th c.)
The Holy Martyr Marin was from Cilicia (Asia Minor). For his confession of faith in Christ the elder was subjected to fierce beatings, and then killed on the orders of Lysias, governor of Tarsus, during the reign of the emperor Diocletian (284-305).