# Ara Ubiorum

> Roman federal altar, around which formed Col. Claudia Ara Agrippinensium, precursor of Köln, Germany

**Wikidata**: [Q623600](https://www.wikidata.org/wiki/Q623600)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ara_Ubiorum)  
**Source**: https://4ort.xyz/entity/ara-ubiorum