General fact: 4071 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 4071 is the number of ways to color the vertices of a triangle with 23 colors, up to rotation.
Trivia: 4071 is an unremarkable number.
Historical date: February 22nd is the day in 1909 that the sixteen battleships of the Great White Fleet, led by Connecticut, return to the United States after a voyage around the world.