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• Labor Day | 2026, Origin, Meaning, History, United States, & Facts Labor Day, in the United States and Canada, holiday (first Monday in September) honoring workers and In many other countries, May Day serves a similar pu... www.britannica.com · 2026.09.07
• History of Labor Day Observed the first Monday in September, Labor Day is an annual celebration of the social and economic The holiday is rooted in the late nineteenth century, when labor activists pushed for a federal holiday www.dol.gov · 2026.09.07