Claim: The 1975 Dutch Grand Prix was a Formula One motor race which is the highest class of international auto racing.
Evidence: The 1975 Dutch Grand Prix was a Formula One motor race held at Circuit Zandvoort on 22 June 1975. Formula One (also known as Formula 1 or F1) is the highest class of international auto racing for single-seater racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA).