# 21st Battalion (Eastern Ontario), CEF

> World War I battalion that formed part of the Canadian Corps

**Wikidata**: [Q16057453](https://www.wikidata.org/wiki/Q16057453)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/21st_Battalion_(Eastern_Ontario),_CEF)  
**Source**: https://4ort.xyz/entity/21st-battalion-eastern-ontario-cef