The 89th Battalion was authorized on 22 December 1915 and embarked for Britain on 2 June 1916, where its personnel were absorbed by the 9th Reserve Battalion, CEF, to provide reinforcements for the Canadian Corps in the field.
[1] The battalion recruited throughout Alberta and was mobilized at Calgary.
[2] Once placed on active service, the battalion was commanded by Lieutenant-Colonel W.W. Nasmyth from 2 June 1916 to 1 August 1916.
[2] The battalion was awarded the battle honour The Great War, 1916.
Nicholson, CD, Queen's Printer, Ottawa, Ontario, 1962