The Haymarket Riot, a significant event in American labor history often examined in Advanced Placement United States History (APUSH) courses, refers to the aftermath of a bombing that took place at a labor demonstration on May 4, 1886, in Haymarket Square, Chicago. The demonstration was initially a peaceful rally in support of striking workers demanding an eight-hour workday. After police attempted to disperse the crowd, a bomb was thrown, resulting in several deaths and injuries among both police officers and civilians.
The incident had profound repercussions. It led to widespread public fear and anti-labor sentiment, fueled by sensationalized media coverage that associated labor activism with anarchism and violence. The event significantly damaged the labor movement by undermining public support for unions and contributing to the conviction and execution of several labor leaders, despite questionable evidence linking them directly to the bombing. The Haymarket affair became a symbol of the struggle between labor and capital during the Gilded Age. Its study provides insights into the social and economic tensions, the role of immigration, and the evolution of labor relations in late 19th-century America.