Brigadier Gen. Casimir Pulask was a famed cavalry officer and freedom fighter in Poland who joined the American Revolutionary War effort and became a hero.
Happy Pulaski Day!
Today would have been Revolutionary War officer Casimir Pulaski's 266th birthday. To celebrate, some things are closed around Chicago.
In honor of Pulaski, a Polish-born cavalry officer, all Chicago public libraries are closed as well as Chicago and Cook County government offices. State and federal offices are open.
Chicago Public Schools remain open, while parents of children in suburban schools should check their district for closings.
Mail is being delivered, most banks will remain open, and CTA, Pace and Metra are on normal schedules.
Chicago has the second largest Polish population in the U.S.