The working title for this installment was to be "Decoration Day," but according tho research the name of the holiday had already changed to "Memorial Day."
The opening view of Lucy the Elephant with a cityscape in the background does not exist in the real world.
Christopher McDonald's character, Harry Daugherty, tells Nucky that he enjoys having time to play golf rather than actually playing golf. In 1996, McDonald played professional golfer, Shooter McGavin, in Happy Gilmore.