May 31, 1920
Gaston Chevrolet broke the dominance of European built cars in the Indianapolis 500, winning the race in a redesigned Monroe-Frontenac. In the process, he became the first driver in the history of the 500-mile race to go the distance without making a tire change.
Gaston Chevrolet (Brother Louis to the left) in the Frontenac powered Monroe Indy 500 winner.