May Day: Media
international observance
Images
May Day march in New York City
March in New York City on Workers' Day, May 1, 1909.
Library of Congress, Washington, D.C. (digital. id. ggbain 03321)
Labor Day in the United States
Learn the origin of Labor Day in the United States.
Encyclopædia Britannica, Inc./Patrick O'Neill Riley
Podcasts
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