# HMS Hydra

> 1871 Cyclops-class breastwork monitor

**Wikidata**: [Q5632844](https://www.wikidata.org/wiki/Q5632844)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HMS_Hydra_(1871))  
**Source**: https://4ort.xyz/entity/hms-hydra-q5632844