When their demand that only union men be employed was refused, members of the Western Federation of Miners dynamited and destroyed the $250,000 mill of the Bunker Hill Company at Wardner, Idaho ? 1899
Congress creates OSHA, the Occupational Safety and Health Administration. The AFL-CIO sets April 28 as ?Workers Memorial Day? to honor the hundreds of thousands of workers killed and injured on the job every year - 1970.