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.
1984 British Grand Prix The 1984 British Grand Prix (formally the XXXVII John Player British Grand Prix) was a Formula One motor race held on 22 July 1984 at Brands Hatch, Kent, England. It was the tenth round of the 1984 Formula One season. The 71-lap race was won by Niki Lauda in a McLaren-TAG, with local driver Derek Warwick second in a Renault and Ayrton Senna third in a Toleman-Hart.