# Battle of the Atlantic

> 1939 longest continuous military campaign in World War II

**Wikidata**: [Q157627](https://www.wikidata.org/wiki/Q157627)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Battle_of_the_Atlantic)  
**Source**: https://4ort.xyz/entity/battle-of-the-atlantic


## References

1. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
2. Histropedia
3. Freebase Data Dumps. 2013
4. National Library of Israel