The Knights Who Came in the Night

Tulsa, Oklahoma - November 9, 1917. Seventeen men, most connected to the Industrial Workers of the World (IWW), sat in police custody. Their organization’s opposition to the war and confrontational organizing had made them targets of suspicion. After appearing before a judge and facing questions that probed not just their alleged offenses but also their patriotism, they were loaded into automobiles, expecting a routine trip to jail.

Instead, armed men intercepted the vehicles, taking possession of the prisoners and driving them into the darkness outside Tulsa. There, the captives faced a gathering of masked vigilantes, some cloaked in black robes, who bound the men to a tree, whipped them, and covered them in tar and feathers. Calling themselves the Knights of Liberty, the vigilantes warned the men to leave Tulsa for good. In a strange invocation, they referenced the suffering of Belgian women and children under German aggression as justification, brutalizing American citizens in Oklahoma to “defend” innocence overseas. The Knights of Liberty were not fictional villains; they were real, and this was no horror novel.

When the United States entered World War I in April 1917, unity was far from universal. Millions supported intervention, but many Americans opposed it for religious, political, or economic reasons. Despite their numbers, German Americans faced deep suspicion. Labor radicals, too, became targets. The IWW, or Wobblies, organized workers across industries, clashed with powerful employers, and often opposed the war, arguing that ordinary people would pay its human cost while industrialists profited. In the tense atmosphere of 1917, dissent could be recast as treason. New federal laws, the Espionage Act of 1917 and the Sedition Act of 1918, broadened the government’s power to prosecute wartime opposition. Patriotic organizations like the American Protective League encouraged citizens to police dissent, while some groups took matters even further, believing that perceived enemies of America deserved personal punishment.

The Knights of Liberty emerged from this climate. They claimed to protect patriotism from “internal enemies”: German sympathizers, draft resisters, and labor organizers. Their danger lay in secrecy and self-appointment: masks hid their identities; robes suggested a larger cause; a patriotic name provided a convenient rationale. In Tulsa, their violence intersected with labor conflict. The oil industry was booming, and the IWW was organizing for better pay and conditions. Employers and civic leaders saw the union as a threat. A pamphlet from the National Civil Liberties Bureau argued that the Tulsa attack targeted labor organizing under the cover of patriotism. Whatever the interpretation, the facts remain: the victims were American workers, not enemy soldiers, and the vigilantes enforced their own vision of loyalty by force. The press called it the Tulsa Outrage, a fitting name, but not the end of the story.

On May 1, 1918, in San Jose, California, George Koetzer was abducted from his room, accused of making pro-German remarks. Masked men drove him to the countryside, staged a mock trial, threatened him with hanging, then tarred and feathered him before chaining him to a cannon in the city square. Newspapers reported the perpetrators as the Knights of Liberty, and the symbolism was grotesque: a man accused of disloyalty chained to a monument to President McKinley, supposedly in defense of American honor. Koetzer’s ordeal revealed how quickly an accusation could become a punishment, with no lawful trial or legitimate sentence, just men who believed they had the right to decide.

The story darkened further in Duluth, Minnesota. Olli Kinkkonen, a Finnish immigrant laborer, attempted to avoid American military service by returning to Finland. The Knights of Liberty abducted him, tarred and feathered him, and sent a message to the press claiming the attack as a warning to others. Kinkkonen went missing; two weeks later, his body was found hanging from a tree. The official cause was suicide, but many in Duluth’s Finnish community suspected murder. The precise details remain debated, but one fact is clear: Kinkkonen was abducted and violently assaulted in the name of patriotism. Minnesota’s governor condemned such mob violence and offered a reward for arrests, insisting that justice belonged in the courtroom, not at the hands of a masked crowd. For Kinkkonen, the proclamation came too late.

The Knights of Liberty present a peculiar problem for history. Their name sounds invented, their attire theatrical, their methods like something from dark folklore. Reliable sources do not confirm claims about elaborate secret signals and whistle systems, and it is unclear whether every group using the name belonged to a single national organization. What is established: under this name, men committed or claimed responsibility for violence and intimidation in multiple communities during World War I, using secrecy and the threat of punishment to enforce their understanding of loyalty, often with the tacit approval or tolerance of the communities around them. The danger was not a secret society’s conspiracy, but ordinary people's willingness to cross the line from suspicion to accusation, and from accusation to violence.

It would be comforting to imagine the Knights of Liberty as isolated extremists, universally condemned. The historical record, however, gives no such comfort. In Tulsa, prisoners were seized from police custody, and some accounts suggest local officials may have been complicit. In other communities, newspapers expressed sympathy for vigilantes or hostility toward their victims. The real danger was not just masked men breaking the law, but a culture in which their violence was sometimes accepted or even encouraged. Patriotism became a test private citizens could administer, and once accused, a person could barely defend himself. What evidence, after all, could convince a masked crowd?

After the November 11, 1918 armistice, the Knights of Liberty faded from prominence, but wartime vigilantism remained. Attacks on labor organizers, immigrants, and dissenters became part of the broader American struggle over civil liberties, public fear, and the limits of patriotic authority. Some victims are remembered in history books or local memorials; others in newspaper archives and pamphlets. The men in black robes called themselves defenders of the nation, but those they attacked were denied the very protections that liberty was supposed to guarantee: the right to disagree, the right to a lawful hearing, the right not to be punished by a mob.

More than a century later, their robes and masks appear bizarre, almost unreal, but the danger they embodied was painfully ordinary: fear became suspicion, suspicion became accusation, accusation became permission, and permission became violence. They called themselves the Knights of Liberty. The terrible irony is that they took away exactly what they called liberty…