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