# Category:U-boat Campaign (World War I)

> Wikimedia category

**Wikidata**: [Q30638920](https://www.wikidata.org/wiki/Q30638920)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Category:U-boat_Campaign_(World_War_I))  
**Source**: https://4ort.xyz/entity/category-u-boat-campaign-world-war-i