general_fact: 71 is the number of different characters that can be used with a standard English Keyboard, excluding uppercase letters.
math_fact: 71 is the algebraic degree of Conway's constant, a remarkable number arising in the study of look-and-say sequences.
trivia: 71 is the atomic number of lutetium.
historical_date: March 11th is the day in 1888 that the Great Blizzard of 1888 begins along the eastern seaboard of the United States, shutting down commerce and killing more than 400.