Jackie Stewart wins his second F1 world title in Tyrrell's first full season as a constructor • Peter Gethin wins the then closest (0.061s) and fastest (150mph average) race in F1 history at the Italian GP • Slick tyres are introduced in F1 for the first time • Lotus endures first winless season since 1959 • Niki Lauda makes his grand prix debut for March at the Austrian GP • Pedro Rodriguez is killed in an Interserie sportscar race at the Norisring • Jo Siffert dies in the Race of Champions at Brands Hatch • First rolling start at the Le Mans 24 Hours, Helmut Marko and Gijs van Lennep win the race in a Martini Porsche 917 • Ronnie Peterson wins the European F2 championship
Jackie Stewart wins the world title for Tyrrell in the team's first full season as a constructor
Peter Gethin wins the closest ever grand prix finish at Monza
Slick tyres are introduced to F1
Helmut Marko and Gijs van Lennep win the first Le Mans 24 Hours to feature a rolling start
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