The Haymarket Riot in Chicago, Illinois, gave the labor movement in the United States its first martyrs, and workers in England, France, Holland, Italy, Russia, and Spain rallied in support.
فرفض معظم المستخدِمين هذا المطلب ،‏ مما ادّى الى اضراب آلاف العمال في الاول من ايار .‏