Fatto generale: 99559 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 99559 is an uninteresting number.
Trivia: 99559 is an unremarkable number.
Data storica: July 31st is the day in 1987 that a rare, class F4 tornado rips through Edmonton, Alberta, killing 27 people and causing $330 million in damage.