Fait mathématique: 1055 is the maximum value of n so that there exist 5 denominations of stamps so that every postage from 1 to n can be paid for with at most 10 stamps.
Culture générale: 1055 is an uninteresting number.
Date historique: November 20th is the day in 1952 that Slánský trials – a series of Stalinist and anti-Semitic show trials in Czechoslovakia.