general_fact: 6380 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 6380 is a value of n for which n!.
trivia: 6380 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: June 19th is the day in 1862 that the U.S. Congress prohibits slavery in United States territories, nullifying Dred Scott v. Sandford.