Almost exactly 50 years before James Cook’s first encounter with the Gweagal and Gameygal peoples on the shores of what we now call Botany Bay, another English sea captain claimed to have met with two other native populations at a place which his ship’s log records as ‘Latitude 30 degrees 2 minutes south’ and which your car’s GPS would locate a thousand or so kilometres to the north-east of what we now call Perth.