Fait mathématique: 83211 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 83211 is a boring number.
Date historique: October 28th is the day in 1919 that the U.S. Congress passes the Volstead Act over President Woodrow Wilson's veto, paving the way for Prohibition to begin the following January.