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Diodotus Tryphon

Coin of the Seleucid king Diodotus Tryphon.
Diodotus Tryphon
Diodotus Tryphon ('the magnificent'): name of a king of the Seleucid Empire, ruled from 140 to 138.
  • Born in Casiane near Apamea
  • General of Demetrius I Soter, but defects to the usurper Alexander I Balas, who revolts in 152 and becomes king in 150; Diodotus ensures that Alexander can capture Antioch
  • 145 or 144: Alexander is defeated and killed by Demetrius II Nicator, son of Demetrius I
  • Diodotus takes care of Alexander's two years old son Antiochus VI, and is able to continue the struggle against Demetrius, supported by the Hasmonaean leader Jonathan
  • 143: Jonathan killed
  • 142: Demetrius recognizes Simon as high priest in Jerusalem
  • In the confusion, the Parthian king Mithradates I the Great conquers Media and Babylonia
  • 141 or 140: Diodotus kills Antiochus VI and usurps the kingship; he calls himself Diodotus Tryphon; he is not recognized by Rome
  • 139: Mithradates continues his conquests: he occupies Susa and Elam
  • July/August 138: Demetrius taken captive by the Parthians
  • After August 138: Demetrius' brother Antiochus VII Sidetes, supported by several parties, attacks Diodotus Tryphon, and besieges him at Dor
  • Tryphon escapes but commits suicide in Apamea
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