general_fact: 29909 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 29909 is an uninteresting number.
trivia: 29909 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: November 19th is the day in 2010 that the first of four explosions takes place at the Pike River Mine in New Zealand; 29 people are killed in the nation's worst mining disaster since 1914.