Randall's wife was hit in the back of the head with a rifle butt but is later seen being treated for an apparent broken nose.
"Devil Anse" is shown reading the letter that The Hatfield Clan plans to send to the press announcing their withdrawal from the feud.In real life,"Devil Anse" Hatfield was illiterate.
The letter that was written to the newspapers on behalf of the Hatfield Clan was written and composed by Cap Hatfield,not composed by "Devil Anse"" Hatfield and dictated to Cap as implied in the miniseries.
When Randal leans against the wall, a countersunk Phillips head screw is clearly visible in the window frame of the McCoy house when the Hatfields attack on New Years day. These were not invented until the mid 1930s.
Devil Anse mentions the muckrakers in the news blackening the family name, but the term muckraker was not used at that time in reference to reporters. That term was coined by President Theodore Roosevelt in 1906.