Did you know that Chicago has the largest Polish population outside of Poland?  Navy Pier, the Lira Ensemble and the Consulate General of the Republic of Poland are coming together to present Celebrate Poland at Navy Pier.  Its a free celebration of Polish music, food, dance and culture from 12:00 - 6:00.   The day will be topped off by the midwest premier of the film "Casmir Pulaski:Polish and American Hero" in the Navy Peir Imax theater at 6:30.  Bring the family to feast on polish sausage, dance the polka, and listen to music from the old country on Sunday at Celebrate Poland.  It's free!