In 1917, during an incident known as the Tulsa Outrage, a group of black-robed Knights of Liberty, a short-lived faction of the Ku Klux Klan, tarred and feathered seventeen members of the IWW in Oklahoma.
In 1917, during an incident known as the Tulsa Outrage, a group of black-robed Knights of Liberty tarred and feathered seventeen members of the IWW in Oklahoma.
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