1921 Indianapolis 500
The 9th International 500-Mile Sweepstakes Race was held at the Indianapolis Motor Speedway on Monday, May 30, 1921.
Ralph DePalma dominated another early running of the 500, but again failed to win. He led 109 laps, and had a two-lap lead at the... Wikipedia
Winning Entrant: Louis Chevrolet
Winner: Tommy Milton
Date: May 30, 1921
Location: Indianapolis Motor Speedway
Average speed: 89.621 mph (144.231 km/h)
Pace car: H.C.S. 6