general_fact: 2970 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 2970 is a harmonic divisor number.
trivia: 2970 is an unremarkable number.
historical_date: February 17th is the day in 1996 that NASA's Discovery Program begins as the NEAR Shoemaker spacecraft lifts off on the first mission ever to orbit and land on an asteroid, 433 Eros.