Source: Nominal Roll, 18th Battalion, Spring 1915.
Private Slack served in Europe and then returned to Canada. He died the 18th of June, 1922 due to war wounds. He is buried in the Arkona Cemetery, Lambton County, Ontario.
War Diary of the 18th Battalion CEF
Articles, war diaries, and recognition to the Men of the "Fighting 18th"
Source: Nominal Roll, 18th Battalion, Spring 1915.
Private Slack served in Europe and then returned to Canada. He died the 18th of June, 1922 due to war wounds. He is buried in the Arkona Cemetery, Lambton County, Ontario.