general_fact: 48180 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 48180 is an unremarkable number.
trivia: 48180 is an unremarkable number.
historical_date: November 29th is the day in 1963 that U.S. President Lyndon B. Johnson establishes the Warren Commission to investigate the assassination of President John F. Kennedy.