21: Age of William S. Harley when he completed his first blueprint drawing for an internal combustion engine that could be mounted on a bicycle

1901: Year the blueprint was completed

19:02: Time in minutes it took a Harley-Davidson motorcycle to win a 15-mile race in Chicago in 1905

188.234: Miles per gallon of gasoline that Walter Davidson achieved on a Harley-Davidson motorcyle to set a new Federation of American Motorcyclists economy record in 1908

1 million: Estimated number of Harley-Davidson riders worldwide today

35,000: Estimated retail price in dollars of Harley-Davidson’s Screaming Eagle Ultra Classic

Sources: Lewiston-Auburn Harley-Davidson and www.harley-davidson.com