First appearance of Lucky Luciano with his trademark droopy right eye. Luciano got the injury in 1929 (before the events of Season 5 took place) as a result of being held at gunpoint into a limousine by three men where he was beaten, stabbed, and dumped into the woods in Staten Island and left for dead.
$50 in 1884 adjusted for inflation is worth $1,321.94 in 2020.
During the 1931 segment Arnold Rothstein's death and funeral are mentioned in terms of a relatively recent event. In actuality he was murdered in 1928 under questionable circumstances.
Chalky's ordeal in the chain gang was initially envisioned as a more elaborate sequence. Instead of cutting down trees, his gang was assigned to a mining operation that was intended to be filmed in New Paltz, New York.
The episode won 2 Emmy Awards for Outstanding Cinematography for a Single-Camera Series and Outstanding Production Design for a Narrative Period Program (One Hour or More).