# SM U-28

> German submarine

**Wikidata**: [Q250780](https://www.wikidata.org/wiki/Q250780)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/SM_U-28_(Germany))  
**Source**: https://4ort.xyz/entity/sm-u-28


## References

1. Freebase Data Dumps. 2013