National Association of Special Delivery Messengers

The National Association of Special Delivery Messengers (SDM) was a labor union representing United States Postal Service workers.

National Association of Special Delivery Messengers
Dissolved1971
TypeTrade union

The union was founded in 1932, and was chartered by the American Federation of Labor in 1937.[1] It transferred to the new AFL-CIO in 1955, and by 1957, it had 2,000 members.[2] This grew slightly to 2,605 members in 1970.[3]

On July 1, 1971, the union merged with the United Federation of Postal Clerks, the National Postal Union, the National Association of Post Office and General Service Maintenance Employees, and the National Federation of Post Office Motor Vehicle Employees, to form the American Postal Workers' Union.[4][5]

References
  1. Reynolds, Lloyd G.; Killingsworth, Charles C. (1944). Trade Union Publications: The Official Journals, Convention Proceedings, and Constitutions of International Unions and Federations, 1850–1941. Baltimore: Johns Hopkins Press.
  2. Directory of National and International Labor Unions in the United States (PDF). Washington DC: United States Department of Labor. 1957. Retrieved 18 April 2022.
  3. Directory of National and International Labor Unions in the United States (PDF). Washington DC: United States Department of Labor. 1970. Retrieved 15 August 2022.
  4. "Inactive Organizations" (PDF). UMD Labor Collections. University of Maryland. Retrieved 18 April 2022.
  5. Gary M Fink, ed., Labor Unions (1977) pp 291–94, 296–99
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