Olympic Indoor Hall (artistic and trampoline) were the venues of Equestrianat the Games of the XXXI Olympiad . The no. of events in sport was 3 . The sport has the official site chicagomarathon.com . 18 – 30 September 1988 was when it was held . 28 from 18 nations were the competitors in Equestrianat the Games of the XXXI Olympiad . Equestrianat the Games of the XXXI Olympiad was founded on 1884; 135 years ago (1884)
Equestrianat the Games of the XXXI Olympiad took place in Olympic Indoor Hall (artistic and trampoline)