Founding of Ironworkers Union

Founding of Ironworkers Union is a Pennsylvania historical marker in Pittsburgh, Allegheny County, dedicated 1999.

Allegheny County · dedicated 1999 · Grant St., betw. Blvd. of the Allies and 1st Ave., Pittsburgh

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On Feb.4, 1896, sixteen delegates met at Moorheads Hall here to form the International Association of Bridge, Structural, Ornamental, & Reinforcing Iron Workers. Active in the struggle for health & safety standards; by 1996 it had 140,000 members.

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under a mile from where William Gabby lived in the 1760s

what this marker records spans 1777 to 1789, overlapping William Gabby's years here

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Marker data: Pennsylvania Historical and Museum Commission via data.pa.gov

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On the National Register nearby

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Places within about 300 feet of this marker that are listed on the National Register of Historic Places. A nearby listing is not always the marker's own subject.