# U-221

> 1942 Type VIIC submarine

**Wikidata**: [Q2033610](https://www.wikidata.org/wiki/Q2033610)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/German_submarine_U-221)  
**Source**: https://4ort.xyz/entity/u-221


## References

1. [Source](http://www.ubootarchiv.de/ubootwiki/index.php/U_221)
2. The Submarine War, 1939-1945
3. [Source](https://uboat.net/boats/u221.htm)
4. Freebase Data Dumps. 2013
5. [Source](http://www.ubootarchiv.de/ubootwiki/index.php/Hans-Hartwig_Trojer)