# Mediterranean U-boat Campaign

> fought by Austria-Hungary and German Empire against the Allies during World War I

**Wikidata**: [Q4001387](https://www.wikidata.org/wiki/Q4001387)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mediterranean_U-boat_campaign_of_World_War_I)  
**Source**: https://4ort.xyz/entity/mediterranean-u-boat-campaign-q4001387