13 May | Silverstone Circuit![]() III RAC British Grand Prix XI Grand Prix d'Europe |
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18–21 May | Circuit de Monaco![]() XI Grand Prix Automobile de Monaco |
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30 May | Indianapolis Motor Speedway![]() XXXIV Indianapolis International Motor Sweepstake |
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3–4 Jun | Circuit Bremgarten![]() X Großer Preis der Schweiz |
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18 Jun | Circuit de Spa-Francorchamps![]() XII Grote Prijs Van Belgie |
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2 Jul | Circuit de Reims-Gueux![]() XXXVII Grand Prix de l'ACF |
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3 Sep | Autodromo Nazionale Monza![]() XXI Gran Premio d'Italia |
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