# HSwMS Tirfing

> 1866 John Ericsson-class monitor

**Wikidata**: [Q4352822](https://www.wikidata.org/wiki/Q4352822)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/HSwMS_Tirfing_(1866))  
**Source**: https://4ort.xyz/entity/hswms-tirfing


## References

1. Fartyg. 2015
2. Freebase Data Dumps. 2013