The Poles are the unsung heroes of the world. Jokes about them have become common place, but they commanded the eastern planes of Europe for centuries. One of the few peoples to conquer Russia and rule it. Defeated the Turks before Vienna and saved the north from centuries of brutal war. Even their acts of insane bravery during World War II should be recognized. They attacked German Panzer columns with cavalry and infantry (its all they had), almost breaking through their lines.
At any rate, here is a nice article on origins of the ancient Poles!