Pittsburgh, PA, United States
Founding of Ironworkers Union. 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.
Listen to the audio guide for Blue plaque № 28364 Free on WIP — starts by itself when you arrive, even with the screen off