Detroit Grand Prix ended in 1988.
Detroit Grand Prix was created in 1982.
Detroit Indy Grand Prix was created in 1982.
Grand Prix of Minnesota ended in 1998.
Austrian Grand Prix ended in 2003.
Dutch Grand Prix ended in 1985.
Grand Prix of Charlotte ended in 2000.
Meadowlands Grand Prix ended in 1991.
Prost Grand Prix ended in 2002.
Portland Grand Prix ended in 2006.
Tripoli Grand Prix ended in 1940.
Cologne Grand Prix ended in 1986.
Stewart Grand Prix ended in 1999.