Observance guideSource-backed

Walter Hunt safety-pin patent anniversary2026 · Date · History · Messages

The original U.S. Patent No. 6,281 text identifies Walter Hunt’s dress-pin invention and dates the patent 10 April 1849; Smithsonian collections also identify Hunt with the safety-pin invention.

Annual dateReviewed 2026-09-09

About Walter Hunt safety-pin patent anniversary

April 10 marks the anniversary of U.S. Patent No. 6,281, granted to Walter Hunt in 1849 for a “dress-pin” design recognized as the safety pin.

The guide uses the patent date as the historical anchor rather than assuming that a separately founded International Safety Pin Day has a documented origin.

Why Walter Hunt safety-pin patent anniversary matters

The anniversary highlights a compact mechanical design: a single piece of wire combining a pin, spring and catch.

It is an invention-history date, useful for exploring how everyday objects can embody simple but durable engineering ideas.

History of Walter Hunt safety-pin patent anniversary

Walter Hunt’s U.S. Patent No. 6,281 is dated April 10, 1849.

The patent describes a pin made from one piece of wire or metal, combining a spring and a clasp or catch.

The Smithsonian’s National Museum of American History also identifies Hunt with the safety-pin invention.

The reviewed sources do not establish the first modern annual observance under the name International Safety Pin Day.

Origins & establishment

What the evidence establishes

Evidence & sources ↓

Confirmed institutional roles and milestones are shown first. Details that could not be established from the reviewed sources are listed separately below.

Why this exact date?10 April 1849 — U.S. Patent No. 6,281 for Walter Hunt’s dress-pin was dated and granted.The patent record directly dates Hunt’s dress-pin patent to April 10, 1849 and describes the one-piece wire, spring and catch construction associated with the safety pin.
8 fields not established in reviewed sources
Originator / proposerThis authority page is a historical-anniversary guide, not a claim that a formally founded modern observance has a known proposer.
Proclaiming / establishing bodyNo observance-establishing body is required for the historical anniversary itself.
Original establishing instrument / decisionNo modern observance-establishing instrument is asserted.
Original instrument adoption / decision dateNo modern observance instrument/adoption date is asserted.
Current facilitator / coordinatorA historical anniversary does not require one exclusive facilitator.
First observanceThe reviewed sources establish the historical event, not the first modern annual observance under this calendar label.
Former nameNo formal former observance name is established.
Former dateNo former recurring observance date is established.
Source qualityHigh confidence
2 Primary institutional / legal
View all sources ↓
Names

Also known as

International Safety Pin Day, Safety Pin Day

How to Observe Walter Hunt safety-pin patent anniversary

01

Read the original patent description and drawings.

02

Compare nineteenth-century safety-pin construction with modern versions.

03

Explore other Walter Hunt inventions and the broader history of everyday mechanical design.

04

Use the date as an invention-history prompt rather than repeating unsupported holiday-origin claims.

Walter Hunt safety-pin patent anniversary Facts

Fact 01

The historical date anchor is April 10, 1849.

Fact 02

Walter Hunt is the named inventor on U.S. Patent No. 6,281.

Fact 03

The patent title is “Dress-Pin.”

Fact 04

The specification describes a one-piece wire design with a spring and catch.

Fact 05

The reviewed evidence does not establish a formal founder for a modern International Safety Pin Day.

Walter Hunt safety-pin patent anniversary Messages

Celebrate invention history by reading the original 1849 dress-pin patent.

Classification

Topic and context

Arts, Entertainment & Lifestyle →
Accuracy notes

What this page does not assume

  • Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
  • Do not treat the title alone as proof of government recognition or public-holiday status.
  • Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
Evidence

Evidence & sources

Source policy →

Sources used across the guide are gathered here. Labels show how each source supports the page, and contextual references are kept separate from primary evidence.

Questions & connections

Understand it, compare it, then explore further

Start with the most common factual questions, then compare closely related observances and explore useful connections.

Reader questions

Frequently asked questions

When is Walter Hunt safety-pin patent anniversary?

10 April The documented recurrence rule is: 10 April.

Does Walter Hunt safety-pin patent anniversary fall on the same date every year?

Yes. It uses a fixed annual date unless stronger evidence changes the pattern.

Is Walter Hunt safety-pin patent anniversary an official public holiday?

The reviewed sources verify it within this scope: Invention-history anniversary / Walter Hunt U.S. safety-pin patent. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when reliable evidence explicitly does so.

Who established or recognizes Walter Hunt safety-pin patent anniversary?

The documented basis is: The original U.S. Patent No. 6,281 text identifies Walter Hunt’s dress-pin invention and dates the patent 10 April 1849; Smithsonian collections also identify Hunt with the safety-pin invention.. Supporting evidence includes U.S. Patent No. 6,281 — Walter Hunt dress-pin. The site does not infer a separate creator or founder unless reviewed evidence establishes one.

Is Walter Hunt safety-pin patent anniversary international or country-specific?

No single country is assigned to this observance. Its documented scope is: Invention-history anniversary / Walter Hunt U.S. safety-pin patent. Use that scope rather than assuming worldwide or country-specific status.

How is this page verified?

The factual information is checked against reviewed sources, including the date pattern, scope and institutional history. This page was checked on 2026-09-09.

Why is April 10 associated with the safety pin?

Walter Hunt’s U.S. Patent No. 6,281 for his dress-pin design is dated April 10, 1849.

Who invented the safety pin?

Walter Hunt is the inventor named on the 1849 U.S. patent commonly associated with the safety pin.

What did the patent describe?

A one-piece wire pin combining a spring and a catch or clasp.

Does the patent establish International Safety Pin Day?

No. This authority page is a historical-anniversary guide anchored to the patent date.

Explore further

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More in this topic →

Related observances are selected from shared topics, scope and documented connections. Where an important difference is known, it is labeled separately so “related” is not mistaken for “the same observance.”

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