Hecho matemático: 8584 is an uninteresting number.
Trivia: 8584 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fecha histórica: July 2nd is the day in 1881 that Charles J. Guiteau shoots and fatally wounds U.S. President James Garfield, who eventually dies from an infection on September 19.