Pittsburgh, PA, United States
Railroad Strike of 1877. In July, unrest hit U.S. rail lines. Pennsylvania Railroad workers struck to resist wage and job cuts. Here, on July 21, militia fatally shot some 26 people. A battle followed; rail property was burned. The strike was finally broken by U.S. troops.
Listen to the audio guide for Blue plaque № 28412 Free on WIP — starts by itself when you arrive, even with the screen off