general_fact: 4071 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 4071 is the number of ways to color the vertices of a triangle with 23 colors, up to rotation.
trivia: 4071 is a boring number.
historical_date: February 22nd is the day in 1994 that Aldrich Ames and his wife are charged by the United States Department of Justice with spying for the Soviet Union.