Demetrius of Thessaloniki

Saint Demetrius of Thessalonica
12th-century mosaic depicting Saint Demetrius, from the Golden-Roofed Monastery in Kiev
Great-Martyr, Myroblyte
Born	270 Thessalonica, Macedonia, Roman Empire
Died	306 or 305 Thessalonica, Macedonia, Roman Empire
Venerated in	Eastern Orthodoxy Oriental Orthodoxy Roman Catholicism Lutheran Church Anglicanism
Major shrine	Hagios Demetrios, Thessaloniki
Feast	Orthodox Churches: 26 October and on All-Saints of Salonica (aka Thessalonica and Thessaloniki), on 3rd Sunday of Pascha (Sunday of the Myrrh-bearing Women); Roman Catholic Church: 9 April & 8 October
Attributes	depicted wearing the armour of a Roman soldier, usually carrying a spear, often seated on a red horse
Patronage	Thessaloniki, Siberia, Sremska Mitrovica, Kosovska Mitrovica, Calgary; soldiers;[1] Crusades (in Roman Catholic tradition);[1] agriculture, peasants and shepherds (in the Greek countryside during Middle Ages);[2] construction industry in Bulgaria

Saint Demetrius (or Demetrios) of Thessalonica (Greek: Ἅγιος Δημήτριος τῆς Θεσσαλονίκης, Hágios Dēmḗtrios tēs Thessaloníkēs^[a]), also known as the Holy Great-Martyr Demetrius the Myroblyte (meaning 'the Myrrh-Gusher' or 'Myrrh-Streamer';^[b] 3^rd century – 306), was a Greek Christian martyr of the early 4^th century AD.

During the Middle Ages, he came to be revered as one of the most important Orthodox military saints, often paired with Saint George of Lydda. His feast day is 26 October for Eastern Orthodox Christians, which falls on 8 November [NS, "new style"] for those following the old calendar. In the Roman Catholic Church he is most commonly called "Demetrius of Sermium" and his memorial is 9 April in the 2004 Roman Martyrology and 8 October in the martyrology of the Extraordinary Form.

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