1990 United States Grand Prix
The 1990 United States Grand Prix was the opening motor race of the 1990 Formula One World Championship held on March 11, 1990, in Phoenix, Arizona. It was the 32nd United States Grand Prix since the "American Grand Prize" was first held in 1908, and the 25th under Formula One regulations since the first United States Grand Prix was held at Sebring, Florida in 1959. It was the second to be held on the streets of Phoenix and ran over 72 laps of the 4 km-circuit.