General fact: 1409 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 1409 is the only positive number known whose 8^{th} power can be written as the sum of eight 8^{th} powers.
Trivia: 1409 is an uninteresting number.
Historical date: November 9th is the day in 1913 that the Great Lakes Storm of 1913, the most destructive natural disaster ever to hit the lakes, destroys 19 ships and kills more than 250 people.