Violence erupted during a coal mine strike at Herrin, Ill. Thirty-six were killed, 21 of them non-union miners - 1922

As many as 60,000 railroad shopmen strike to protest cuts in wages – 1922

Lane Kirkland, president of the AFL-CIO from 1979 to 1995, born in Camden, South Carolina - 1922

Eighty thousand Chicago construction workers strike - 1922

Supreme Court rules that picketing is unconstitutional. Chief Justice (and former president) William Howard Taft declared that picketing was, in part, "an unlawful annoyance and hurtful nuisance..." - 1921

The Kansas national guard is called out to subdue from 2,000 to 6,000 protesting women who were going from mine to mine attacking non-striking miners in the Pittsburgh coal fields. The women made headlines across the state and the nation: they were christened the "Amazon Army" by the New York Times - 1921

Striking milk drivers dump thousands of gallons of milk on New York City streets - 1921

Mineowners bomb West Virginia strikers by plane, using homemade bombs filled with nails and metal fragments. The bombs missed their targets or failed to explode - 1921

10,000 striking miners began a fight at Blair Mountain, W.Va., for recognition of their union, the UMWA. Federal troops were sent in, and miners were forced to withdraw 5 days later, after 16 deaths - 1921

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