general_fact: 27510 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 27510 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 27510 is an uninteresting number.
historical_date: April 26th is the day in 1478 that the Pazzi attack Lorenzo de' Medici and kill his brother Giuliano during High Mass in the Duomo of Florence.