Casimir Pulaski Day is a legal holiday in Illinois, in the United States, on the first Monday of March. It celebrates the birthday of Casimir Pulaski, a Polish born soldier who contributed to the United States' independence.
Former Illinois Gov. Dan Walker signs the Pulaski Day bill September 1973 at the Polish Museum of America in Chicago. First a commemorative holiday, Pulaski Day became an official public holiday in (Photo courtesy Polish Museum of America) MARCH 7