21 July

Local militiamen are called out against striking railroad workers in Pittsburgh. The head of the Pennsylvania Railroad advises giving the strikers “a rifle diet for a few days and see how they like that kind of bread.” Instead, the militiamen joined the workers – 1877

IWW leads a strike at Hodgeman’s Blueberry Farm in Grand Junction, MI – 1964

A die-cast operator in Jackson, Mich. is pinned by a hydraulic Unimate robot, dies five days later. Incident is the first documented case in the U.S. of a robot killing a human – 1984