math_fact: 1756 is the number of ways to stack 28 boxes in a line so that each box lies on the table or on a box next to 2 boxes.
trivia: 1756 is an uninteresting number.
historical_date: October 21st is the day in 1973 that John Paul Getty III's ear is cut off by his kidnappers and sent to a newspaper in Rome; it doesn't arrive until November 8.