Until the 70’s, non-championship Formula 1 races were an important part of the racing calendar. In the 50’s, in fact, sometimes there were more non-championship races than those valid for the championship. These were different times, of course. In the 50’s the official calendar comprised about 8 races, rather than the 20+ of our days. While in the 50’s most non-championship races were still held in Italy and France, by the 70’s, the vast majority was held in England, at Brands Hatch, Silverstone and Oulton Park. Such non-championship races were also held as trial for future official events, such as the Argentine Grand Prix of 1971 and the Brazilian Grand Prix of 1972. After 1983, Non-Championship F1 races, including the traditional Race of Champions were gone. Not only was the calendar full, but TV money and sponsorship ensured teams and drivers did not need to boost their coffers with prize and start money paid in such races, which was not much, at any rate. Such r...