On this day in labor history...
Toronto printers strike for the 9-hour day in what is believed to be Canada’s first major strike - 1872
First “Poor People’s March” on Washington, in which jobless workers demanded creation of a public works program. Led by populist Jacob Coxey, the 500 to 1,000 unemployed protesters became known as “Coxey’s Army” - 1894
A total of 146 workers are killed in a fire at New York’s Triangle Shirtwaist Factory, a disaster that would launch a national movement for safer working conditions - 1911
An explosion at a coal mine in Centralia, Ill., kills 111 miners. Mineworkers President John L. Lewis calls a 6-day work stoppage by the nation’s 400,000 soft coal miners to demand safer working conditions - 1947