Hecho matemático: 9534 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 9534 is an unremarkable number.
Fecha histórica: February 6th is the day in 1843 that the first minstrel show in the United States, The Virginia Minstrels, opens (Bowery Amphitheatre in New York City).