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Evergreen date guide

What is celebrated on September 16?

For 2026, these source-backed observances resolve to Wednesday, September 16. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

11 unique authority records

The list is deduplicated at the public entity layer while retaining all research provenance behind each page.

0 stable or rule-calculated

0 fixed annual and 0 reusable rule-based records can be placed without inventing a new date.

0 edition-specific

Edition-specific dates appear only when the requested year matches the verified edition; variable and historical records remain gated.

6 explicit country-scope records

Country scope stays attached to the underlying record instead of being generalized into a worldwide observance.

3 reviewed in-depth guides

These entities add reviewed meaning, history, activities, facts and FAQs without rewriting the authority facts.

Curated global anchors

Major global guides on September 16

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A reviewed starting point drawn from prominent global observances with strong institutional or organizer provenance. Selection does not change each record’s official status or scope.

Reviewed depth

Other in-depth guides on September 16

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Topics represented on September 16

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Civic, Remembrance & History 3Relationships & Family 2Health, Wellness & Awareness 1Animals, Nature & Environment 1Community, Causes & Advocacy 1Food, Drink & Hospitality 1Arts, Entertainment & Lifestyle 1Workplace, Professions & Appreciation 1
11 date-resolved records

All observances on this date

Source-backedFixed Annual

Independence Day

16 September · Papua New Guinea

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Papua New Guinea — Independence Day on 16 September. The source verifies the diplomatic nat…

Source-backedFixed Annual

Malaysia Day

16 September · Malaysia national public holiday / national celebration

Government of Malaysia official portal

Source-backedFixed Annual

Mexico Independence Day

16 September · Mexico

The Organization of American States’ current country page lists Mexico National Independence Day as 16 September.

Source-backedFixed Annual

National Cinnamon Raisin Bread Day

16 September · United States / informal food observance

National Day Calendar and National Today independently place National Cinnamon Raisin Bread Day on September 16 each year.

Source-backedFixed Annual

National PLAY-DOH Day

16 September · United States / Hasbro-created PLAY-DOH brand observance

Hasbro states that National PLAY-DOH Day is celebrated annually on September 16 and was created by Hasbro in 2006; Hasbro later expanded the celebration globally as World PLAY-DOH Day.

Source-backedFixed Annual

National Stepfamily Day

16 September · United States / family-awareness observance founded by Christy Tusing-Borgeld

The U.S. Census Bureau identifies September 16 as Stepfamily Day and traces the observance to Christy Tusing-Borgeld in 1997.

Source-backedFixed Annual

National Working Parents Day

16 September · United States / informal working-parents appreciation observance

National Day Archives places National Working Parents Day on September 16.

Source-backedFixed Annual

World Barber Day

16 September · international barber-community and giving-back observance

World Barber Day organizers; launched in Ireland in 2017

How this date is built

This page is assembled from verified fixed dates, reusable recurrence rules, and target-year records whose edition matches 2026. Variable, historical or unresolved records are not silently forced onto this date.

Read the methodology →