She designated October 16 as the special day because it was her father's birthday. Haroski's purpose was to designate a day to show appreciation for her boss and other bosses. She also hoped to improve the relationship between employees and supervisors.
Four years later in, Illinois Governor Otto Kerner backed Haroski's registration and officially proclaimed the day.
Note: The dates below show when National Boss Day was first officially proclaimed in, although the concept for this observance began in Boss's Day Observances.