Who is the longest serving Prime Minister of Australia?

Answer 1

Favourite answer

Robert Menzies, who served from 1939 ro 1941, and then again from 1949 to 1966, a total of 18 1/2 years.

Source(s): http://en.wikipedia.org/wiki/Robert_Menzies

Answer 2

Australia Longest Serving Prime Minister

Source(s): https://shrinkurl.im/a9cqL