Mark Clark was killed with an American activist and revolutionary, who was chairman of the Illinois chapter of what ?
Mark Clark (activist) Mark Clark (June 28, 1947 – December 4, 1969) was an American activist and member of the Black Panther Party. He was killed with Fred Hampton during a Chicago police predawn raid on December 4, 1969.
Casimir Pulaski Day Casimir Pulaski Day is a local holiday officially observed in Chicago, Illinois on the first Monday of every March in memory of Casimir Pulaski (March 6, 1745 – October 11, 1779), a Revolutionary War cavalry officer born in Poland as Kazimierz Pułaski. He is praised for his contributions to the U.S. military in the American Revolution and known as "the father of the American cavalry".