general_fact: 8215 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 8215 is an unremarkable number.
trivia: 8215 is a boring number.
historical_date: June 28th is the day in 1902 that the U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.