# Grattan massacre

> 1854 opening engagement of the First Sioux War

**Wikidata**: [Q1543656](https://www.wikidata.org/wiki/Q1543656)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Grattan_massacre)  
**Source**: https://4ort.xyz/entity/grattan-massacre


## References

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