1950 British Grand Prix
The 1950 British Grand Prix, formally known as The Royal Automobile Club Grand Prix d'Europe Incorporating The British Grand Prix, was a Formula One motor race held on 13 May 1950 at the Silverstone Circuit in Silverstone, England. It was the first World Championship Formula One race in the modern era, as well as the fifth British Grand Prix, and the third to be held at Silverstone after motor racing resumed after World War II. It was the first race of seven in the 1950 World Championship of Drivers.
1975 British Grand Prix
The 1975 British Grand Prix (formally the John Player Grand Prix) was a Formula One motor race held at Silverstone on 19 July 1975. It was race 10 of 14 in both the 1975 World Championship of Drivers and the 1975 International Cup for Formula One Manufacturers. It was the 30th British Grand Prix to be held since the race was first held in 1926 and the 17th time the race had been held at Silverstone. The race was held over 56 of the scheduled 67 laps of the four kilometre venue for a race distance of 264 kilometres.