18 – 30 September 1988 was when it was held . 28 from 18 nations competed in Equestrianat the Games of the XXXI Olympiad . 1884; 135 years ago (1884) is when Equestrianat the Games of the XXXI Olympiad was founded  . 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
Equestrianat the Games of the XXXI Olympiad event has celebrated it's  Gold jubilee on 1946