The Haymarket Affair (1886)

The Haymarket Affair (1886)

The Haymarket Affair was a pivotal and tragic event in American labor history that unfolded in Chicago during the spring of 1886.

Background

The late 19th century was a period of intense labor unrest in the United States. Workers labored under brutal conditions — often 10–16 hour days, six or seven days a week, with no safety protections. The eight-hour workday had become the central demand of the labor movement, and May 1, 1886 was chosen as a nationwide strike date to push for it. Chicago, a major industrial hub, was at the epicenter of this movement.

The Events

May 1–3: A general strike swept Chicago, with roughly 40,000 workers walking off the job. The McCormick Harvesting Machine Company was a particular flashpoint, where striking workers faced replacement workers ("scabs") and Pinkerton guards.

May 3: Police fired into a crowd of strikers near McCormick's plant, killing at least two workers. This outraged labor organizers and anarchist leaders like August Spies, who printed incendiary leaflets calling workers to a protest meeting.

May 4 — Haymarket Square: A rally was organized in Haymarket Square. It was peaceful and winding down, with Mayor Carter Harrison himself attending and concluding it was orderly. As the last speaker wrapped up, police moved in to disperse the remaining crowd. At that moment, an unknown person threw a dynamite bomb into the police ranks, killing one officer instantly. Police opened fire on the crowd; in the chaos, several officers were also hit by their own colleagues' bullets. In total, 7 police officers and at least 4 civilians died, with dozens more wounded.

The Trial

The aftermath was driven by hysteria and anti-anarchist sentiment rather than evidence. Eight men — most of them anarchist labor organizers — were arrested and charged with murder, despite no proof that any of them threw the bomb or even knew who did. The trial was widely regarded as a travesty:

• The jury was openly biased; one juror was a relative of a slain officer.
• The prosecution argued that their speech and writings advocating revolution made them responsible.
• Seven were sentenced to death; one to 15 years in prison.

Of the seven death sentences, two were commuted to life in prison, one defendant died by suicide in his cell, and four were hanged on November 11, 1887 — August Spies, Albert Parsons, Adolph Fischer, and George Engel. Their last words became legendary in labor lore.

Aftermath & Legacy

• In 1893, Illinois Governor John Peter Altgeld pardoned the three surviving defendants, declaring the trial a gross miscarriage of justice — a politically courageous act that effectively ended his career.
• The affair set back the immediate push for the eight-hour day but became a rallying symbol for labor movements worldwide.
• May 1st (May Day) is observed as International Workers' Day globally largely because of Haymarket — chosen by the international labor movement in 1889 to commemorate the Chicago events. The U.S. ironically celebrates Labor Day in September instead, partly to distance it from the radical associations of May 1.
• The identity of the bomb thrower was never definitively established and remains unknown to this day.

The Haymarket Affair remains a defining moment in the struggle for workers' rights, illustrating the violent tensions between capital, the state, and organized labor in the Gilded Age.

The Pinkerton National Detective Agency

The Pinkertons were essentially America's most powerful private police force during the 19th and early 20th centuries, and they played a notorious role in labor conflicts of the era.

Origins

Allan Pinkerton, a Scottish immigrant, founded the agency in Chicago in 1850. It initially gained fame for legitimate detective work — foiling a plot to assassinate Abraham Lincoln before his inauguration, and providing intelligence for the Union Army during the Civil War. Their logo, an open eye with the motto "We Never Sleep," gave rise to the term "private eye."

The Strike-Breaking Business

By the Gilded Age, the Pinkertons had evolved into something far more controversial — a hired army for industrialists. Their services included:

• Strike breaking — physically confronting and intimidating striking workers
• Infiltration — planting undercover agents inside unions to identify organizers and report back to management
• Guard services — protecting scab (replacement) workers crossing picket lines
• Surveillance — monitoring and compiling dossiers on labor leaders

At their peak, the Pinkertons had more agents than the U.S. Army had soldiers. Corporations could essentially hire a private military force that the government could not.

Major Confrontations

Homestead Strike (1892) — Perhaps their most infamous engagement. Carnegie Steel's Henry Clay Frick hired 300 Pinkerton agents to break a strike at the Homestead, Pennsylvania plant. When the agents arrived by barge on the Monongahela River, armed steelworkers were waiting. A full-scale battle erupted — 9 workers and 7 Pinkertons were killed. The agents surrendered but were beaten by an angry mob as they were marched out. The event shocked the nation.

Great Railroad Strike (1877) — Pinkertons were deployed against striking railroad workers across multiple states.

Molly Maguires (1870s) — A Pinkerton agent named James McParland infiltrated a secret Irish-American miners' organization in Pennsylvania, leading to the arrest and execution of 20 men — a case still debated by historians as to whether it was justice or a frame-up.

Haymarket (1886) — Pinkertons guarded McCormick's plant and clashed with striking workers, directly contributing to the tensions that culminated in the bombing.

Public Backlash & Congressional Response

The Homestead massacre was a turning point in public opinion. In 1893, Congress passed the Anti-Pinkerton Act, which prohibited the federal government from hiring the agency or similar organizations. Many states passed their own restrictions.

The law still exists today, though in modernized form — it bars the federal government from hiring private mercenary-style forces.

Legacy

The Pinkertons became a lasting symbol of corporate power over workers' lives — the idea that wealthy industrialists could field their own armies to crush dissent. The word "Pinkerton" became synonymous with strikebreaker and spy in labor circles.

The agency still exists today as Pinkerton Consulting & Investigations, now a subsidiary of the Swedish security giant Securitas — though obviously without the army-for-hire role of its past.