He was the leading British miler of 1980, being awarded the 2000 Guineas on the disqualification of Nureyev and defeating Kris to win the Queen Elizabeth II Stakes.
[1] Known Fact excelled on English turf despite being out of American dirt horses.
Known Fact was voted Champion Miler in England at the end of his third year and he was retired to stand at Juddmonte Farms in Kentucky.
Known Fact was the first stallion to stand at Prince Khalid Abdullah's North American division of Juddmonte Farms.
Known Fact sired around 25 stakes winners and his last standing fee was US$10,000 before he died in 2000 at the age of 23 after covering only 20 mares.