general_fact: 7380 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 7380 is the number of numbers with 4 or fewer digits that do not contain any 0's.
trivia: 7380 is an unremarkable number.
historical_date: March 15th is the day in 1916 that President Woodrow Wilson sends 4,800 United States troops over the U.S.-Mexico border to pursue Pancho Villa.