Fatto matematico: 87533 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 87533 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: August 28th is the day in 1830 that the Baltimore and Ohio Railroad's new Tom Thumb steam locomotive races a horse-drawn car, presaging steam's role in US railroading.