The venue for Equestrianat the Games of the XXXI Olympiad was Hadleigh Farm (mountain),National Equestrian Center,Melbourne (since 1972) . 1–12 August was when it was held . The official site of Equestrianat the Games of the XXXI Olympiad is city2surf.com.au . 37 from 31 nations were the competitors in Equestrianat the Games of the XXXI Olympiad . The no. of events in sport was 18 . 1881; 138 years ago (1881) is when Equestrianat the Games of the XXXI Olympiad was established 
The sport Equestrianat the Games of the XXXI Olympiad had 37 contenders 