On this day, 20th July 1820, Allan Cunningham visited Port Bowen, when he accompanied Phillip Parker King on his third survey of the Australian coast.
Robert Heward wrote: Their course was up the east coast, and the first place they touched at was Port Bowen. 
Heward, Robert. “A Biographical Sketch of the Late Allan Cunningham.” The Journal of Botany Volume IV and Volume I (1842) p254 Print.
Robert Heward’s 1842 Biographical Sketch of Allan Cunningham is now out of copyright and was originally published in three parts: Part One appeared in The Journal of Botany Volume IV, printed in London 1842; and Part Two and Three appeared in The London Journal of Botany Volume I, also printed in 1842. These volumes can be located at the libraries of the University of New South Wales Library, in Sydney and the National Library of Australia Library, in Canberra (Ref: FRM F3424)