Higgs Boson wrote:

"The Invisible Wall" by W. Michael Blumenthal, is a scholarly account of
how far back in history German Jew-hatred can be traced.

As I mentioned in another post, Martin Luther certainly got his licks in. Of
course Germany wasn't an isolate instance. When were Jews expelled from
Britain? When were they allowed back? Columbus and the Jews sailed the ocean
blue in 1492 too. Or became maranos. France? Yeah, they're real liberal.
Poland? Another paradise, to this day.