# SM U-20

> German submarine

**Wikidata**: [Q698755](https://www.wikidata.org/wiki/Q698755)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/SM_U-20_(Germany))  
**Source**: https://4ort.xyz/entity/sm-u-20


## References

1. Freebase Data Dumps. 2013