The St Valentine's Day Massacre, during which Capone's crew brutally shot seven rivals, occurred at 2122 N Clark in Lincoln Park.

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On this frigid morning, in an unheated brick garage at 2122 N. Clark St., seven men were lined up against a whitewashed wall and pumped with 90 bullets from submachine guns, shotguns and a revolver. It was the most infamous of all gangland slayings in America, and it savagely achieved its purpose--the elimination of the last challenge to Al Capone for the mantle of crime boss in Chicago.