The 117th Battalion, CEF was a unit in the Canadian Expeditionary Force

Canadian Expeditionary Force

The Canadian Expeditionary Force was the designation of the field force created by Canada for service overseas in the First World War. Units of the C.E.F. were divided into field formation in France, where they were organized first into separate divisions and later joined together into a single...

 during the First World War. Based in Sherbrooke, Quebec

Quebec

Quebec or is a province in east-central Canada. It is the only Canadian province with a predominantly French-speaking population and the only one whose sole official language is French at the provincial level....

, the unit began recruiting in late 1915 through the eastern counties of Quebec

Eastern Townships

The Eastern Townships is a tourist region and a former administrative region in south-eastern Quebec, lying between the former seigneuries south of the Saint Lawrence River and the United States border. Its northern boundary roughly followed Logan's Line, the geologic boundary between the flat,...

. After sailing to England in August 1916, the battalion

Battalion

A battalion is a military unit of around 300–1,200 soldiers usually consisting of between two and seven companies and typically commanded by either a Lieutenant Colonel or a Colonel...

 was absorbed into the 23rd Reserve Battalion on January 8, 1917.

The 117th (Eastern Townships) Battalion, CEF had one Officer Commanding: Lieut-Col. L. J. Gilbert.