math_fact: 689 is the smallest number that can be written as the sum of 3 distinct squares in 9 ways.
trivia: 689 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: November 19th is the day in 1911 that the Doom Bar in Cornwall claimed two ships, Island Maid and Angele, the latter killing the entire crew except the captain.