Industry
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On this site, January 25, 1890, delegates from the National Progressive Union and the Knights of Labor District Trades Assembly 135 met in convention at old City Hall and founded the United Mine Workers of America. The merger ended years of feuding and divisiveness among miners, and the UMWA began a campaign to bring better wages, safe working conditions, and the eight-hour day to the coal fields of America. The UMWA's national headquarters was at High and Chestnut streets until 1898.
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Columbus, Ohio · United States
