When did the polish come to america?

Answer 1

First larger group came in the end of 18th century, after the Kościuszko Uprising (1794). Two biggest Immigration waves of the old immigration in the 19th century came after November Uprising (1830) and January Uprising (1863). The last wave of the old immigration came at the very end on 19th century due to increasing Prussian and Russian oppression. The new immigration took place in the second half of the 20th century, consisting mainly of people trying to escape the communist regime.