Mairesse and Muller win the Targa Florio driving a Porsche 906 (1966).
1 John Surtees drives a Ferrari 312 to victory in the nonchampionship Syracuse Grand Prix in Italy (1966).
2 The Junior Car Club holds its first high-speed trials at Brooklands in England. Of the 48 entries, 22 win gold medals and 5 win silver medals (1925).
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