April 1st of each year is designated as Illinois State Trooper Day, a day to honor the dedicated men and women of the Illinois State Police. Illinois State Trooper Day shall be observed throughout the State by the citizens of Illinois with civic remembrances of the sacrifices made on their behalf by Illinois' finest, the Illinois State Troopers, especially the ultimate sacrifice given by those State Police Officers who lost their lives in the line of duty.
5 ILCS 490/147