general_fact: 47003 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 47003 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
trivia: 47003 is a boring number.
historical_date: September 8th is the day in 1380 that Battle of Kulikovo – Russian forces defeat a mixed army of Tatars and Mongols, stopping their advance.