general_fact: 61879 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 61879 is an unremarkable number.
trivia: 61879 is a boring number.
historical_date: June 1st is the day in 2011 that a rare tornado outbreak occurs in New England; a strong EF3 tornado strikes Springfield, Massachusetts during the event, killing four people.