Hecho general: 138 is keith Deller's score in the 1983 BDO World Darts Championship trophy against Eric Bristow, amongst the most memorable in darting history.
Hecho matemático: 138 is an Ulam number (Sloane's A002858).
Trivia: 138 is the rank of Mongolia in world population.
Fecha histórica: May 17th is the day in 1987 that an Iraqi Dassault Mirage F1 fighter jet fires two missiles into the U.S. Navy warship USS Stark, killing 37 and injuring 21 of her crew.