The grand prix history of Alfa Romeo, from the building of the Darracq cars in Italy which led to the founding of Alfa in 1910, through the golden years of Vittorio Jano designs including the 158, to the withdrawal of racing after Juan Manuel Fangio clinched the 1951 World Championship in a 159, and the brief return to Formula 1 in the 1970s. It also chronicles Alfa Romeo drivers, cars and results.