Assertion: headed eagle | /r/RelatedTo | the roman empire
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Source sentences:
text: Used in the Eastern Roman Empire as a dynastic emblem of the Palaiologoi, it was adopted during the Late Medieval to Early Modern period in the Holy Roman Empire on the one hand, and in Orthodox principalities (Serbia and Russia) on the other, representing an augmentation of the (single-headed) eagle or Aquila associated with the Roman Empire.