Animals Miss Disco American Thoroughbred racehorse and broodmareborn 1944 Discovery1931 – 1958 Miss Discoborn 1944 Bold Ruler6 April 1954 – 11 July 1971 Sire and damDiscovery1931 – 1958OffspringBBold Ruler6 April 1954 – 11 July 1971 From Wikipedia and Wikidata (public domain), updated daily.