Detroit Grand Prix ended in 1988.
Detroit Grand Prix was created in 1982.
Detroit Indy Grand Prix was created in 1982.
Grand Prix of Charlotte ended in 2000.
Meadowlands Grand Prix ended in 1991.
Grand Prix of Sonoma ended in 2008.
Czechoslovakian Grand Prix ended in 1988.
Grand Prix of Minnesota ended in 1998.
Austrian Grand Prix ended in 2003.
Taipei Grand Prix ended in 1992.
Tripoli Grand Prix ended in 1940.
Prost Grand Prix ended in 2002.
Portland Grand Prix ended in 2006.