Page "Prime Minister of Australia" Paragraph 11

* In 1967 then prime minister Harold Holt disappeared while swimming on 17 December and was declared presumed dead on 19 December.

The governor-general, Lord Casey, commissioned the Leader of the Country Party, John McEwen, to form a government until the Liberal Party elected a new leader.

McEwen was prime minister for 23 days, until the election of ( then Senator ) John Gorton.