Antedating of "Hamburger Steak"

[Sam Clements]

Put it on a bun and you have today's "hamburger."

From: "Fred Shapiro" <fred.shapiro at YALE.EDU

 hamburger steak (OED 1889)
 1876 _Hagerstown_ (Md.) _Herald and Torch Light_ 23 Feb. 1
 (Newspaperarchive.com)  Sometimes we have what the Germans call
_Hamburger_ steak, that is the meat chopped fine like sausage, flavored
delicately with onions, and broiled rapidly.