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| Founded | March 2, 1886 |
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| Dissolved | July 1894 |
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The Switchmen's Mutual Aid Association of North America (SMAA) was a 19th-century fraternal benefit society and trade union in the United States of America. Its members included the operators of railway track switches and those who coupled train cars in railway yards. Organized in 1886, the union came to its demise in July 1894 with rise of the American Railway Union and the smashing defeat it was delivered in the 1894 Pullman Strike. The organization was succeeded in October 1894 with the establishment of the Switchmen's Union of North America.