general_fact: 930 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 930 is the number of even permutations on 7 elements with no fixed points.
trivia: 930 is an uninteresting number.
historical_date: July 18th is the day in 1976 that Nadia Comăneci became the first person in Olympic Games history to score a perfect 10 in gymnastics at the 1976 Summer Olympics.