Formula One French Grand Prix, pre-date the formation of the World Championship and were incorporated into the championship as Formula One races in 1950. The British and Italian Grands Prix are the only events to have been held every Formula One season; other long-running races include the Belgian, German and French Grands Prix. The Monaco Grand Prix, first held in 1929 and run continuously since 1955, is widely considered to be one of the most important and prestigious automobile races in the world. Traditionally each nation has hosted a single Grand Prix, which carries the name of the country. If a single
Grand Prix tennis circuit Series until 2009. Now called the ATP World Tour Masters 1000. Grand Prix tournaments below this level were originally called the Super Series, were retained by the ATP and renamed as the Championship Series. All remaining Grand Prix Tour events became part of the World Series. "NB: All rankings were calculated using the Grand Prix points system and do not necessarily reflect the ATP rankings at the same time." 1971 1972 1973 1974 1976 1977 1978 1979 1981 1982 1983 1984 1986 1987 1988 1989 "(last year)" Grand Prix tennis circuit The Grand Prix tennis circuit was a professional tennis