At no point is Michigan Avenue currently called Michigan Boulevard , but prior to the Great Chicago Fire of 1871 , the street was officially known as Michigan Boulevard and often referred to as " Boul Mich " . But in the 1900-1907 Ads for the Chicago Musical College , the address was referred to as " 202 Michigan Boul . " As recently as the 1920s , North Michigan Avenue ( especially the Magnificent Mile ) was referred to as " Upper Boul Mich " . Paris 's Boulevard Saint-Michel is the original Boul Mich
Great Chicago Fire
Great Chicago Fire
Michigan Avenue (Chicago)