<prompt> Pedzisa mutsara unotevera: Silverstone Circuit inzvimbo yemotokari muEngland, pedyo nemisha yeNorthamptonshire yeSilverstone neWhittlebury. Ndiyo imba yazvino yeBritish Grand Prix, iyo yakatanga kuitirwa seBritish Grand Prix ya1948. Nhamba  <response>: 1950 British Grand Prix paSilverstone yakanga iri mujaho wokutanga muWorld Championship of Drivers yakanga ichangobva kuumbwa. Mujaho uyu wakashanduka-shanduka pakati peSilverstone, Aintree neBrands Hatch kubva muna 1955 kusvika muna 1986, asi wakagara zvachose panzira yeSilverstone muna 1987. Nzvimbo yacho inogamuchirawo chikamu cheBritish cheMotoGP series. 