sentences:  Hanna served as Acting Premier of Ontario from 25 September 1914 to 2 October 1914, after the death of Sir James Whitney, before Sir William Hearst.He was born in Adelaide Township, Middlesex County, Canada West, the son of George Hanna and Jane Murdock, and moved to Brooke Township in Lambton County with his family in 1871.He attended Sarnia Collegiate Institute and, after graduating, taught at a primary school near his home for three years.