Jackie Stewart wins his third F1 title • Stewart's protege Francois Cevert is killed in practice at Watkins Glen, and the Scot subsequently retires from the sport • Ronnie Peterson claims his maiden grand prix win for Lotus at the French GP • James Hunt makes his F1 debut with a Hesketh-run March at Monaco • Roger Williamson is killed in the Dutch GP at Zandvoort • The Alpine Renault team wins the inaugural World Rally Championship for manufacturers • Frank Gardner claims his third British Touring Car title in a Chevrolet Camaro • Herbert Muller and Gijs van Lennep win the Targa Florio, which hosts a World Sportscar Championship round for the last time
- Jackie Stewart clinches his third and final championship and retires at the end of the year
- Francois Cevert is killed in practice for the US GP at Watkins Glen
- Alpine Renault team wins the inaugural World Rally Championship for manufacturers
- Frank Gardner wins his third British Touring Car Championship
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