Lots of Eastern European ancestry in Parma:
German 24.1%
Polish 15.9%
Irish 15.2%
Italian 13.1%
Slovak 6.3%
Hungarian 5.3%
English 4.9%
Ukrainian 4.6%
American 3.3%
Czech 2.5%
Arab 1.8%
Slovene 1.8%
Romanian 1.4%
Serbian 1.4%
French 1.3%
Russian 1.3%
Scottish 1.3%
Greek 1%
That's a full 1/3 from the Austro-Hungarian Empire, right there.
I say this as a Polish and Croatian American, but it really was easier when Eastern Europe was just Russia Germany the Ottomans and AH. Too many countries, too much sovereignty, let's just go back.