# Bilbao's Iron Ring

> Spanish Civil War fortifications

**Wikidata**: [Q2943850](https://www.wikidata.org/wiki/Q2943850)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bilbao's_Iron_Ring)  
**Source**: https://4ort.xyz/entity/bilbao-s-iron-ring


## References

1. Freebase Data Dumps. 2013