Fatto generale: 80900 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 80900 is a boring number.
Trivia: 80900 is an unremarkable number.
Data storica: June 30th is the day in 1936 that Emperor Haile Selassie of Abyssinia appeals for aid to the League of Nations against Italy's invasion of his country.