Rosalee became pregnant in season 2 due to the real-life pregnancy of Jurnee Smollett-Bell.
The history of the baseball glove can be traced back to as early as 1860, when players started to experiment with a glove as a form of protection, often of the brakeman type of glove used by railroad workers.
In episode one a child is handed a baseball glove. However, this show is set pre-Civil War and the baseball glove wasn't invented until 1870.
Candice Glover, American Idol Season 12 winner, is in season 2.
A lobotomy is mentioned. Lobotomies were not developed until the 1930s. This show takes place pre Civil War.