general_fact: 7631 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 7631 is an uninteresting number.
trivia: 7631 is an unremarkable number.
historical_date: November 21st is the day in 1922 that Rebecca Latimer Felton of Georgia takes the oath of office, becoming the first female United States Senator.