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  National Labor Union passes a resolution calling for an eight-hour work day
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  Illinois enacts the nation's first eight-hour law, but employers refuse to comply and the law is rendered meaningless
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  100,000 American workers go on strike in support of the eight-hour workday. The strike day ends peacefully in Chicago, where German anarchists toast their "Emancipation Day
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  Louis Lingg and William Seliger make 30 to 50 bombs. They later transport them to Nepf’s Hall....At 7:30 PM, a rally to protest the violent attack on demonstrators at McCormicks and support the eight-hour day begins at Haymarket in Chicago. At 8:15, August Spies arrives at the rally. At 8:30, Albert Parsons arrives at the meeting of the American Group. A half hour later, he begins speaking at the Haymarket. He speaks for about an hour, and then leaves for Zepf's Hall. Samuel Fielden begins
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  Albert Parsons becomes secretary of Chicago's Eight-Hour League.
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  Jury delivers its verdict of guilty for the 8 defendants. All defendants, except Neebe, are sentenced to receive the death penalty. Neebe is sentenced to 15 years of hard labor
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  A stay of execution is granted.
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  Spies, Parson, Fielden, and Engel are hanged at noon
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  Spies, Parson, Fielden, and Engel are hanged at noon
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  Thousands attend the unveiling of a new monument to the Haymarket martyrs at Waldheim Cemetery in Forest Park, Illinois.
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  The Fair Labor Standards Act makes eight hours a legal days work in the United States