What is the birth date of the person who won his first Formula One victory at the 1968 British Grand Prix?
1968 British Grand Prix The 1968 British Grand Prix was a Formula One motor race held at the Brands Hatch Circuit on 20 July 1968. It was race 7 of 12 in both the 1968 World Championship of Drivers and the 1968 International Cup for Formula One Manufacturers. The 80-lap race was won by Jo Siffert, his first Formula One victory, and the first victory by a Swiss driver.
1954 British Grand Prix The 1954 British Grand Prix was a Formula One motor race held at Silverstone on 17 July 1954. It was race 5 of 9 in the 1954 World Championship of Drivers. The 90-lap race was won by Ferrari driver José Froilán González after he started from second position. His teammate Mike Hawthorn finished second and Maserati driver Onofre Marimón came in third.