Pennsylvania National Guard

Lattimer Massacre - 19 Unarmed Immigrant Strikers Killed by Sheriff's Posse

| Importance: 8/10

Sheriff James Martin and 150 armed deputies open fire on 300-400 unarmed striking coal miners marching to support a newly formed United Mine Workers union at Calvin Pardee’s Lattimer mine near Hazleton, Pennsylvania. The peaceful demonstration consists mostly of Polish, Slovak, Lithuanian, and …

Sheriff James Martin Luzerne County deputies United Mine Workers Immigrant miners Pennsylvania National Guard +1 more labor-suppression gilded-age police-violence immigration mining-industry +1 more
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Homestead Strike Battle Between Workers and Pinkerton Agents Leaves 10 Dead

| Importance: 9/10

Three hundred Pinkerton Detective Agency agents attempt to forcibly seize Andrew Carnegie’s Homestead steel mill in Pennsylvania, triggering a 14-hour armed battle with locked-out steelworkers that leaves seven workers and three Pinkertons dead, with dozens more wounded. The violent …

Andrew Carnegie Henry Clay Frick Pinkerton Detective Agency Amalgamated Association of Iron and Steel Workers Pennsylvania National Guard +1 more labor-suppression gilded-age homestead-strike private-security corporate-violence +1 more
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