All Denver Public Library locations will be closed on Monday, March 30, in observance of “Sí se puede” ("Yes, We Can") Day. More Information.

Argo Park

Men march and ride bicycles in a parade in downtown Denver, Colorado. Women ride in a horse-drawn wagon as part of the procession. Signs on buildings read: "Koehler's," "Crooke & Fuller Mine & Mill Supplies," and "Sam Wittow."

Colorado: The Second State to Adopt Labor Day

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