general_fact: 603 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 603 is the smallest number n so that n, n+1, and n+2 are all the product of a prime and the square of a prime.
trivia: 603 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: August 25th is the day in 1875 that Captain Matthew Webb became the first person to swim across the English Channel, traveling from Dover, England, to Calais, France, in 22 hours.