TIL that in the 1860s one meaning of "Trump" was "A good fellow; an excellent person".
TIL that in the 1860s one meaning of "Trump" was "A good fellow; an excellent person".

archive.org
An American dictionary of the English language : Webster, Noah, 1758-1843 : Free Download, Borrow, and Streaming : Internet Archive

Maybe the "great" America that Donald wants to take us back to is the 1860s?