On this day in 1906, the first ever sit-down strike in American history took place at the General Electric plant in Schenectady, N.Y.
Canadian workers joined the union a year after it was formed, at which point it came to be called the International Union of Steam Engineers.
African American delegates met in Washington, D.C., to form the Colored National Labor Union.
This is the fourth time members of the Bakery, Confectionery, Tobacco Workers and Grain Millers' International Union have voted down an identical offer.
Today in 1946 Oakland California women led a general strike that massed some 140,000 workers.