Free printable May Day lessons: Unions, organized labor movement from Detroit labor history and around the world

Spring is a poignant time in labor history. March 25, 1911 remembers 146 workers, mostly women, lost in the Triangle Shirtwaist Factory fire. April 16 mourns Ireland's Easter Rising of slain Feinians. April 28 marks Workers' Memorial Day, on which the organized labor movement pays tribute to the fallen in workplace accidents or in organized labor struggles. May 1 is May Day, honoring International Workers' Day. May 4 commemorates casualties at Chicago's Haymarket riot at a 1886 labor rally. May 19, 1920 is a day when the organized labor movement grieves the Matewan and Mingo County massacre of coal miners. On May 26, 1937 those who would from unions were assaulted at Ford's River Rouge plant "Battle of the Overpass" in Detroit.  Free printable May Day lessons: Unions, organized labor movement, labor history