2005 is when Australian Open was founded  . The sport has the official site chicagomarathon.com . 60 from 34 nations were the competitors in Australian Open . First/Second Sunday in October (before Columbus Day) was when it was held . 24 (from 5 confederations) were the number of teams who competed in Australian Open . Australia) were the venues of Australian Open . 8 events were there in Australian Open
Less than 9 nations participated in the event