In Chicago, 30 workers are killed by federal troops, more than 100 wounded at the "Battle of the Viaduct" during the Great Railroad Strike - 1877

Workers stage a general strike – believed to be the nation’s first – in St. Louis, in support of striking railroad workers. The successful strike was ended when some 3,000 federal troops and 5,000 deputized special police killed at least eighteen people in skirmishes around the city - 1877

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. Meanwhile, federal troops are sent to Baltimore, where they kill 10 strikers and wound 25 - 1877