Casimir Pulaski (March 6, 1745 – October 11, 1779) was a Polish noblemanb, soldier and military commander who has been called with his fellow Hungarian friend Michael Kovats de Fabriczy "the fathers of the American cavalry".
New York City has an annual Pulaski Day Parade and Grand Rapids, Michigan holds Pulaski Days at this time. Some areas with large Polish-American populations instead celebrate Casimir Pulaski Day on the first Monday of every March, marking Pulaski’s March 4, 1746 birth. Wisconsin, Illinois, Kentucky and Indiana have state recognition of this holiday, which is particularly popular in Chicago and Milwaukee.
General Pulaski’s Day is a holiday recognized by the Commonwealth of Kentucky, United States "in commemoration of the death of revolutionary General Casimir Pulaski". General Pulaski’s Day is observed on October 11 of every year in Kentucky. General Pulaski’s Day was created by a statute enacted by the Kentucky General Assembly sometime prior to 1942.
This holiday is held every year on October 11 by Presidential Proclamation, to commemorate his death from wounds suffered at the Siege of Savannah on October 9, 1779 and to honor the heritage of Polish Americans. The observance was established in 1929 when Congress passed a resolution (Public Resolution 16 of 1929) designating October 11 as General Pulaski Memorial Day.
Ohio Revised Code: 5.222 General Pulaski memorial day.
The eleventh day of October shall be designated as "General Pulaski Memorial Day," in honor of General Casimir Pulaski, Polish patriot and American revolution military commander. (Effective Date: 03-14-1985)
Source: wikipedia.org | ohio.gov