82 from 12 nations,200 from 43 nations were the competitors in Equestrianat the Games of the XXXI Olympiad . 3 events were there in Equestrianat the Games of the XXXI Olympiad . The official site of Equestrianat the Games of the XXXI Olympiad is city2surf.com.au . North Greenwich Arena were the venues of Equestrianat the Games of the XXXI Olympiad . It was held in 30 July . 1884; 135 years ago (1884) is when Equestrianat the Games of the XXXI Olympiad was founded 
Equestrianat the Games of the XXXI Olympiad event has celebrated it's  Gold jubilee on 1934