var addthis_pub="mastersairabMazda to Celebrate MX-5 / Miata 20th Anniversary at Le Mans .fullpost{display:inline;} It's been 20 years since Mazda blew the covers off the MX-5 / Miata roadster at the Chicago Motor Show in February 1989 and to celebrate, Mazda's European arm is holding a special birthday party at the 24 Hours of Le Mans that takes place on 13 and