Is Workers' Memorial Day a real observance?

Yes. Workers' Memorial Day is observed every April 28 — the date the Occupational Safety and Health Act took effect in 1971 — to remember workers killed or injured on the job. OSHA recognizes it, and the International Labour Organization marks the same date as the World Day for Safety and Health at Work.

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Last verified Saturday, June 13, 2026 · General information for employers and HR teams, not legal advice.