Juan Manuel Fangio's 1951 title-winning Alfa Romeo 159
Formula One series originated with the European Grand Prix Motor Racing of the 1920s and 1930s. The formula is a set of rules which all participants' cars must meet. Formula One was a new formula agreed upon after World War II during 1946, with the first non-championship races being held that year. The first world championship race was held at Silverstone, United Kingdom in 1950.