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Feastday: October 26

Patron of Thessaloniki, Greece patron of soldiers, patron of the Crusades

Birth: 270

Death: 306


Called a military martyr, and "the Megalomartyr" by the Greeks. He was a deacon martyred at Sirmium, in the former Yugoslavia. Early legends about Demetrius credit him with a military career. He was extremely popular in the Middle Ages, and with St. George, he was the patron of the crusades.


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