EN
Haymarket affair Haymarket Square riot 1886 Haymarket massacre 1886 Haymarket Riot Chicago Anarchist Martyrs
EN
The Haymarket affair, also known as the Haymarket massacre, the Haymarket riot, the Haymarket Square riot, or the Haymarket Incident, was the aftermath of a bombing that took place at a labor demonstration on May 4, 1886, at Haymarket Square in Chicago, Illinois, United States.
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