General fact: 6809 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 6809 is an uninteresting number.
Trivia: 6809 is an uninteresting number.
Historical date: August 22nd is the day in 2007 that the Storm botnet, a botnet created by the Storm Worm, sends out a record 57 million e-mails in one day.