# U-31

> 1936 Type VIIA submarine

**Wikidata**: [Q602503](https://www.wikidata.org/wiki/Q602503)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/German_submarine_U-31_(1936))  
**Source**: https://4ort.xyz/entity/u-31


## References

1. Freebase Data Dumps. 2013