One of the worst disasters in the history of U.S. anthracite mining occurred at the Avondale Mine, near Scranton, Pa., when a fire originating from a furnace at the bottom of a 237-foot shaft roared up the shaft, killing 110 miners - 1869
Tony Boyle, former president of the United Mine Workers, is charged with murder in the 1969 deaths of former UMW rival Joseph A. Yablonski and his wife and daughter - 1973
Between 20,000 and 30,000 marchers participate in New York's first Labor Day parade, demanding the 8-hour day - 1882
"Palmer raids" on all Wobbly halls and offices in 48 cities in U.S. Alexander Palmer, U.S. Attorney General, was rounding up radicals and leftists - 1917
Ten thousand angry textile strikers, fighting for better wages and working conditions, besiege a factory in Fall River, Mass., where 300 strikebreakers are working. The scabs are rescued by police using tear gas and pistols on the strikers - 1934
General strike begins across U.S. maritime industry, stopping all shipping. The strikers were objecting to the government's post-war National Wage Stabilization Board order that reduced pay increases negotiated by maritime unions - 1946
- compiled/edited by David Prosten at Union Communication Services.