general_fact: 5870 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 5870 is an uninteresting number.
trivia: 5870 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
historical_date: January 26th is the day in 1564 that the Council of Trent issues its conclusions in the Tridentinum, establishing a distinction between Roman Catholicism and Protestantism.