# Crown of Frederick I
**Wikidata**: [Q3693961](https://www.wikidata.org/wiki/Q3693961)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Crown_of_Frederick_I_of_Prussia)  
**Source**: https://4ort.xyz/entity/crown-of-frederick-i


## References

1. Freebase Data Dumps. 2013