artwork
May 1st was chosen to commemorate the 1886 Haymarket affair in Chicago
Chicago, Illinois
May 1, 1886
artwork
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IWD
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mayday
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May 1
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Labor Day
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union rights
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proletariat
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Karl Marx
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Robert Owen
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eight hours of work
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eight hours of recreation
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eight hours of rest
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history
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on this day
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worker's rights
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International Worker's Day
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workforce
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labor
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organizational theory
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Chicago
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Haymarket
