Alfa Romeo Automobiles S.p.A., a car manufacturer. Founded as A.L.F.A. (“Anonima Lombarda Fabbrica Automobili”, translating to Anonymous Lombard Automobile Factory in English) on June 24, 1910, in Milan, the company has been involved in car racing since 1911.

Alfa Romeo has competed successfully in Grand Prix motor racing, Formula One, sportscar racing, touring car racing, and rallies. It has competed both as a constructor and an engine supplier, via works entries (usually under the name Alfa Corse or Autodelta), and private entries.

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Alfa Romeo Automobiles S.p.A.

Alfa Romeo

Since 1923, the quadrifoglio logo (also called the ‘cloverleaf’) has been the symbol of Alfa Romeo racing cars and since WWII, it has also been used to designate the higher trim models of the range. The quadrifoglio is usually placed on the side panels of the car, above or behind the front wheels—on the front wings in the case of modern vehicles. The logo consists of a green cloverleaf with four leaves, contained with a white triangle.

The quadrifoglio has been used on Alfa Romeo cars since the death of Ugo Sivocci in 1923. As a friend of Enzo Ferrari, Sivocci was hired by Alfa Romeo in 1920 to drive in the three-man works team—Alfa Corse—with Antonio Ascari and Enzo Ferrari.