Sid Hatfield, police chief of Matewan, W. Va., a longtime supporter of the United Mine Workers union, is murdered by company goons. This soon led to the Battle of Blair Mountain, a labor uprising also referred to as the Red Neck War - 1921

Italian immigrants and anarchists Nicola Sacco and Bartolomeo Vanzetti are convicted in Massachusetts of murder and payroll robbery – unfairly, most historians agree – after a two-month trial, and are eventually executed. Fifty years after their deaths the state's governor issued a proclamation saying they had been treated unfairly and that "any disgrace should be forever removed from their names." - 1921

Italian activists and anarchists Nicola Sacco and Bartolomeo Vanzetti, widely believed to have been framed for murder, go on trial today. They eventually are executed as part of a government campaign against dissidents – 1921