28 from 18 nations competed in Equestrianat the Games of the XXXI Olympiad . The no. of events in sport was 3 . The sport has the official site chicagomarathon.com . The venue for Equestrianat the Games of the XXXI Olympiad was Olympic Indoor Hall (artistic and trampoline) . It was held in 18 – 30 September 1988 . Equestrianat the Games of the XXXI Olympiad was founded on 1884; 135 years ago (1884)
Equestrianat the Games of the XXXI Olympiad was held over a few days