# Atlantic U-boat campaign of World War I

> 1914–1918 theatre of war

**Wikidata**: [Q4809533](https://www.wikidata.org/wiki/Q4809533)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Atlantic_U-boat_campaign_of_World_War_I)  
**Source**: https://4ort.xyz/entity/atlantic-u-boat-campaign-of-world-war-i