Ah, but that's complicated: the Youngs and Bon Scott were born in Scotland! (And Brian Johnson is English!)Sure they formed and started as a band in Australia, and we can say the same of the Bee Gees, but with the same resulting problem...Just nitpicking for fun, mind you.
Its actually from a calendar that gives me trivia everyday, so I count on them for getting it right. So technically you can blame The Rock and Roll Hall of Fame calendar. :)