Fait mathématique: 1137 is the maximum value of n so that there exist 7 denominations of stamps so that every postage from 1 to n can be paid for with at most 7 stamps.
Culture générale: 1137 is a boring number.
Date historique: February 10th is the day in 1962 that Captured American U2 spy-plane pilot Gary Powers is exchanged for captured Soviet spy Rudolf Abel.