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 " . As recently as the 1920s , North Michigan Avenue ( especially the Magnificent Mile ) was referred to as " Upper Boul Mich " . Paris ' Boulevard Saint-Michel is the original Boul Mich
Great Chicago Fire
Great Chicago Fire
Historic Michigan Boulevard District