math_fact: 1084 is the smallest number whose English name contains all five vowels in order.
trivia: 1084 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: December 19th is the day in 1981 that Sixteen lives are lost when the Penlee lifeboat goes to the aid of the stricken coaster Union Star in heavy seas.