Labor Day & May Day emerged from the movement for a shorter workday in industrial America https://www.tucsonsentinel.com/opinion/report/083125_labor_day_op/labor-day-may-day-emerged-from-movement-shorter-workday-industrial-america/
Americans and Canadians have celebrated Labor Day as a national holiday on the first Monday in September since 1894, a holiday that arose in the midst of an explosive labor uprising in America’s industrial heartland and united native-born and immigrant workers.
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