A total of 259 miners died in the underground Cherry Mine fire. As a result of the disaster, Illinois established stricter safety regulations and in 1911, the basis for the state’s Workers Compensation Act was passed – 1909
A Western Federation of Miners strike is crushed by the militia in Butte, Mont. – 1914
The Holland Tunnel opens, running under the Hudson River for 1.6 miles and connecting the island of Manhattan in New York City with Jersey City, N.J. Thirteen workers died over its 7-year-long construction – 1927
GM workers’ post-war strike for higher wages closes 96 plants – 1945
Striking typesetters at the Green Bay, Wisc., Press Gazette start a competing newspaper, The Green Bay Daily News. With financial support from a local businessman who hated the Press Gazette, the union ran the paper for four years before their angel died and it was sold to another publisher. The Gannett chain ultimately bought the paper, only to fold it in 2005 – 1972
Oil, Chemical and Atomic Workers Union activist Karen Silkwood is killed in a suspicious car crash on her way to deliver documents to a newspaper reporter during a safety investigation of her Kerr-McGee plutonium processing plant in Oklahoma – 1974
—Click here for the complete posting. Compiled and edited by David Prosten.