# Yan

> ancient state in northern China during the Shang, Zhou, and Warring States periods (11th century BC – 222 BC)

**Wikidata**: [Q1055713](https://www.wikidata.org/wiki/Q1055713)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Yan_(state))  
**Source**: https://4ort.xyz/entity/yan


## References

1. Freebase Data Dumps. 2013
2. Dizionario di Storia