34th (Western Ontario) Battalion, CEF Cap Badge The 34th Battalion, CEF, was an infantry battalion of the Canadian Expeditionary Force during the Great War. The Battalion was authorized on 7 November 1914 and embarked for Britain on 23 October 1915. It provided reinforcements to the Canadian Corps in the field until 27 November 1916, when it was reorganized as the 34th Boys' Battalion, CEF. The battalion was disbanded on 17 July 1917. The 34th Battalion recruited in Guelph, Ontario and district and was mobilized at Guelph. The 34th Battalion, CEF, is perpetuated by The Royal Highland Fusiliers of Canada.