1 Poles came to the United States legally as Austrians, Germans, Prussians or Russians throughout the 19th century, because from 1772–1795 till 1918, all Polish lands
had been partitioned between imperial Austria, Prussia (a protoplast of Germany) and Russia until Poland regained its sovereignty in the wake of World War I.
2 Russia has most of its territory in Asia, but the vast majority of its population (80%) lives in European Russia, therefore Russia as a whole is included as a European country here.
3 Yugoslav Americans are the American people from the former Yugoslavia.
4 Azerbaijan, Georgia, Kazakhstan and Turkey span the conventional boundary between Europe and Asia.
5 Disputed;
Roma have recognized origins and historic ties to Asia (specifically to Northern India), but they experienced at least some distinctive identity development while in
diaspora among Europeans.