FIM Endurance World Championship
…The championship's popularity gradually declined and the calendar was gradually reduced to just the four so-called "classics": 24 Hours of Le Mans, 24 Hours of Liège (held in Spa-Francorchamps), 8 Hours Of Suzuka, and the Bol d'Or (held mostly on Paul Ricard or Magny-Cours). In 1989 and 1990 the Championship went…