A by-election was held on 28 August 1909 triggered by the death of an Australian politician who was a  prominent member of what?
Wakefield by-election, 1909: A by-election was held for the Australian House of Representatives seat of Wakefield on 28 August 1909. Wakefield by-election, 1909:  This was triggered by the death of the Speaker of the House, Sir Frederick Holder. Frederick Holder: Sir Frederick William Holder KCMG (12 May 185023 July 1909) was an Australian politician. Frederick Holder:  He was a prominent member of the inaugural Parliament of Australia following Federation in 1901, and was the first Speaker of the Australian House of Representatives.
the inaugural Parliament of Australia