Archive puzzle · September 7, 2026

US federal holidays by the year they were established

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About this puzzle

Federal holidays arrived in waves rather than all at once, and the gaps between them are enormous - the oldest on this list predates the newest by more than 150 years. The date being ranked is when Congress made the day a federal holiday, not when the event it commemorates took place, and those two dates can be centuries apart. Each figure is the year the holiday was signed into law.

Ranked earliest to latest · year it became a U.S. federal holiday

What's in this puzzle

Listed alphabetically, without their values - the answer order stays hidden until you play.

Read the facts

Every item in a Sortations puzzle comes with the story behind its number. The Facts Library collects them all, already solved and safe to read.

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