general_fact: 4544 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 4544 is a Kaprekar number for cubes.
trivia: 4544 is a boring number.
historical_date: June 9th is the day in 1900 that Birsa Munda, an important figure in the Indian independence movement, dies in British prison under mysterious circumstances.