Railroad shopmen in 28 cities strike the Illinois Central Railroad and the Harriman lines for an 8 hour day, improved conditions and union recognition, but railroad officials obtain sweeping injunctions against them and rely on police and armed guards to protect strikebreakers - 1915

IWW union Agricultural Workers Organization formed in Kansas City, Mo. - 1915

Congress approves the Seamen’s Act, providing the merchant marine with rights similar to those gained by factory workers. Action on the law was prompted by the sinking of the Titanic three years earlier. Among other gains: working hours were limited to 56 per week; guaranteed minimum standards of cleanliness and safety were put in place - 1915