# Roman concrete

> building material used in construction during the late Roman Republic

**Wikidata**: [Q610076](https://www.wikidata.org/wiki/Q610076)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Roman_concrete)  
**Source**: https://4ort.xyz/entity/roman-concrete


## References

1. Freebase Data Dumps. 2013