April 12
An early union of steel workers, the United Sons of Vulcan, is formed in Pittsburgh - 1858
April 12, 1900 - Florence Reece was born. Active in the Harlan County, Kentucky, coal strikes, she was author of the famous labor song “Which Side Are You On?”
April 12, 1900 - The Stonewear and Potters Union No. 8302 was founded in Red Wing, Minn. The Red Wing Stoneware Company produced dinnerware, crocks and decorative pottery from 1877-1967.
April 12, 1937 - The U.S. Supreme Court, on a 5-4 vote, upheld the Wagner Act in a series of decisions involving five separate cases. The most significant was probably the case involving Jones & Laughlin Steel Co., in which Chief Justice Charles Evans Hughes wrote the majority decision approving the Wagner Act as falling under the Congress’ constitutional power to regulate interstate commerce. The Wagner Act, also known as the National Labor Relations Act, created the structure for collective bargaining in the United States.
Labor history provided by
http://www.biglabor.com/history.php &
http://www.workdayminnesota.org/index.php?history_9_04_12_2009