January 18, 1920 is a day featured in the series pilot episode "Boardwalk Empire". Events of the day include:
- Atlantic County Sheriff Eli Thompson and First Deputy Halloran murder Hans Schroeder uner orders of Nucky Thompson and dump his body at sea. They document the time as being spent on responding to a domestic abuse call at Schroeder's home.
- Newspapers report the discovery of bodies in the woods in Hammonton, New Jersey (the result of the Hammonton hijacking). Although he initially refused to make declarations, Nucky later informs the press that Hans - whose body later is discovered in a fishing net - was one of the perpetrators of the murders.
- Al Capone drives the stolen liquor shipment to Chicago and gives it to his mentor, Johnny Torrio.
- Big Jim Colosimo is murdered in his own restaurant by Frankie Yale under orders of Johnny Torrio (in real history Colosimo's murder took place on May 11 1920 and no-one was convicted of the killing)