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Seleucia (; ), also known as '''Seleucia-on-Tigris''', '''Seleucia on the Tigris''' or Seleucia ad Tigrim, was a major Mesopotamian city, located on the west bank of the Tigris River within the present-day Baghdad Governorate in Iraq. It was founded around 305 BC by Seleucus I Nicator as the first capital of the Seleucid Empire,

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