Chicano citrus workers strike in Covina, CA - 1919

Seattle Mayor Ole Hanson orders police to raid an open-air mass meeting of shipyard workers in an attempt to prevent a general strike. Workers were brutally beaten. The strike began the following month, with 60,000 workers walking out in solidarity with some 25,000 metal tradesmen - 1919

Malbone tunnel disaster in New York City; inexperienced scab motorman crashes five-car train during strike, 97 killed, 255 injured - 1918