general_fact: 48683 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 48683 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 48683 is an unremarkable number.
historical_date: April 15th is the day in 1865 that Abraham Lincoln dies without regaining consciousness after being shot the previous evening by actor John Wilkes Booth.