The following is an overview of the events of 1921 in motorsport including the major racing events, motorsport venues that were opened and closed during a year, championships and non-championship events that were established and disestablished in a year, and births and deaths of racing drivers and other motorsport people.
Annual events The calendar includes only annual major non-championship events or annual events that had own significance separate from the championship. For the dates of the championship events see related season articles. DateEventRef 29 May12th Targa Florio 30 May9th Indianapolis 500 14–16 June10th Isle of Man TT
Births DateMonthNameNationalityOccupationNoteRef10JanuaryRodger WardAmericanRacing driverWinner of the Indianapolis 500 (1959, 1962)9AprilJean-Marie BalestreFrenchAuto racing executive administratorThe 9th FIA president11MayGeoffrey CrossleyBritishRacing driverOne of the first British Formula One drivers.4JuneEttore ChimeriVenezuelanRacing driverThe first Venezuelan Formula One driver.29Harry SchellAmericanRacing driverThe first American Formula One driver.
See also List of 1921 motorsport champions
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