general_fact: 29042 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 29042 is a boring number.
trivia: 29042 is an unremarkable number.
historical_date: July 6th is the day in 1944 that the Hartford Circus Fire, one of America's worst fire disasters, kills approximately 168 people and injures over 700 in Hartford, Connecticut.