In 1914 for the 4th running of the Indy 500, the rules were changed to no longer allow drivers to consume alcohol during the race after the winner in 1913 drank champagne during pit stops.
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fact
In 1914 for the 4th running of the Indy 500, the rules were changed to no longer allow drivers to consume alcohol during the race after the winner in 1913 drank champagne during pit stops.