Polish Lithuanian hetman was the first European to conqer Moscow. He died during the Battle of Cecora at the age of 73 years.
Nicolaus Copernicus, Prince Joseph Poniatowski ( Leader of polish army during Napoleonic wars, great polish hero ) and Henryk Dbrowski ( another leader from Napoleoni wars, Legions of Dbrowski were first polish unit fighting alongside with French, He is also mentioned in refrain of polish national anthem) didin't speak polish or spoke very little. All three native language was German.
First polish king was in his youth a hostage in Germany where He met many allies which help him in the future.
Dostojewski, Feliks Dzieryski were of Polish origin.
Joseph Conrad Korzeniowski was polish. His lenguage was so rich because He neede a dictionary to write books in English. ( at last my polish teacher told me so ).
Hungarians took a crown for Stefan which was destined for polish future king Boleslaw the Brave. They had smaller distance to Rome.
Tartars Chan when saw polish army coming to Vienna said: " Be cursed those who understimate the might of Poland" and escaped from the battle. We had to wait more than 300 years for next person to mention about our might and it was Gorge Bush during the debate with John Kerry about Irak: "You forgot Poland".