14 events were there in Derby County . 12 (from 4 confederations) teams participated in Derby County . 11 from 2 nations were the competitors in Derby County . The sport has the official site www.hardrock100.com . It was held in First/Second Sunday in October (before Columbus Day) . 1871; 148 years ago (1871) is when Derby County was established  . The venue for Derby County was Australia)
Derby County event has celebrated it's  Silver jubilee on 1907