Fatto generale: 605 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 605 is a boring number.
Trivia: 605 is a boring number.
Data storica: August 27th is the day in 2009 that the Burmese military junta and ethnic armies begin three days of violent clashes in the Kokang Special Region.