Canadian Grand Prix 1958. (The American Indianapolis 500 formed part of the FIA World Drivers' Championship from 1950 to 1960, but was not run to Formula One regulations and only very rarely entered by regular championship competitors.) During the Australian Grand Prix, reports surfaced that the Canadian Grand Prix could return during the 2009 season in the event that the race circuit in Abu Dhabi was not ready in time. On 26 April 2009, Speed reported Bernie Ecclestone as saying the FIA was negotiating a return of the Canadian Grand Prix for the 2010 season, provided upgrades to the circuit were completed. On
2015 Formula One World Championship the folding of Caterham left him without a drive in Formula One. The following nineteen Grands Prix took place in 2015: There were a few revisions to the calendar from the previous season. The Mexican Grand Prix returned to the Formula One calendar for the first time since 1992. The race was held at the Autódromo Hermanos Rodríguez circuit located in the centre of Mexico City, which was the location of all Mexican Grands Prix in previous decades. The circuit was substantially reconfigured to accommodate the sport's return. The Grand Prix of America and the Indian Grand Prix were both