Let me put it gently - you lack some fundamentials of historical knowledge. In 1525 Albrecht Hohenzollern, the Duke of Prussia paid tribute and swore allegiance to King Sigismund I the Old in Kraków's market square on 10 April 1525. Polish king forced Albrecht to became a lutheran protestant and to secularize the Order. It is marked as a beginning of Prussia, therefore Poland estabilished this country. Actually Sigismund I was hesitant to do so. He was planning to destroy remnants of Teutonic Order utterly however his counselor advised him otherwise. It was an apparent mistake.
This is a depiction of Prussian Homage.
A chemical element, Polonium was named after Marie Curie's native land of Poland
It was Curie's hope that naming the element after her native land would publicize its lack of independence. Polonium may be the first element named to highlight a political controversy. However as you said she did nothing for the Polish
Please read some more on the topic, and we may come back to the discussion. It is pointless and frustrating to argue with somebody who has no clue about the subject.
History od polish-prussian relations are much longer than the end of XVIII sciecle - WW I. 
End off-topic pls!
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