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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