Question: The Indianapolis 500 was designated a Grand Épreuve along with one of the oldest motor races in what?

Related documents: [0]  [DOC] The French Grand Prix (French: "Grand Prix de France" ), formerly known as the Grand Prix de l'ACF, is a race held as part of the Fédération Internationale de l'Automobile's annual Formula One automobile racing championships. It is one of the oldest motor races in the world. It ceased shortly after its centenary in with 86 races having been held, a victim of finances and unfavourable venues. The race is scheduled to return to the Formula One calendar in . [END] 
[1]  [DOC] The 1924 Grand Prix season again saw Grand Prix motor racing in Europe and North America. The Indianapolis 500 was again designated a Grand Épreuve by the International Sporting Commission of the AIACR, along with the French Grand Prix, held in Lyon and the Italian Grand Prix at Monza. The French Grand Prix was also this year's European Grand Prix. [END]  
Answer: the world
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