general_fact: 83849 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 83849 is an unremarkable number.
trivia: 83849 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: July 27th is the day in 1054 that Siward, Earl of Northumbria invades Scotland and defeats Macbeth, King of Scotland somewhere north of the Firth of Forth.