general_fact: 43 is the maximum number of cars participating in a NASCAR race in the Cup Series or Nationwide Series.
math_fact: 43 is a centered heptagonal number.
trivia: 43 is the maximum number of cars participating in a NASCAR race in the Cup Series or Nationwide Series.
historical_date: February 12th is the day in 1817 that an Argentine/Chilean patriotic army, after crossing the Andes, defeats Spanish troops on the Battle of Chacabuco.