general_fact: 29403 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 29403 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 29403 is an unremarkable number.
historical_date: July 1st is the day in 1881 that General Order 70, the culmination of the Cardwell and Childers reforms of the British Army, comes into effect.