August 21st

    August 21st, 1947

Ettore Arcos Isidoro Bugatti died.
Bugatti

    August 21st, 1966

Gary Nixon wins the Springfield Mile in Illinois watched by a crowd of nearly 30,000. Earlier in the day Bill Corbin of Ohio and San Francisco's Rick Vetter both died in a 5-bike crash. The Springfield Mile was cancelled for the next 15 years.
Springfield Mile