# Quaternion Eagle

> depiction of coat of arms from the Holy Roman Empire in a special form as a symbol of the whole Empire

**Wikidata**: [Q2122474](https://www.wikidata.org/wiki/Q2122474)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Quaternion_Eagle)  
**Source**: https://4ort.xyz/entity/quaternion-eagle