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Evergreen date guide

What is celebrated on September 26?

For 2026, these source-backed observances resolve to Saturday, September 26. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

16 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.

5 explicit country-scope records

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

1 reviewed in-depth guides

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

Reviewed depth

Other in-depth guides on September 26

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Topics represented on September 26

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Animals, Nature & Environment 5Health, Wellness & Awareness 3Food, Drink & Hospitality 2Celebrations & Social 2Community, Causes & Advocacy 1Workplace, Professions & Appreciation 1Civic, Remembrance & History 1Arts, Entertainment & Lifestyle 1
16 date-resolved records

All observances on this date

Source-backedFixed Annual

European Day of Languages

26 September · Council of Europe language-learning and linguistic-diversity observance

Council of Europe; annual observance following the 2001 European Year of Languages

Source-backedRule Based Annual

Fish Amnesty Day

Fourth Saturday in September · PETA / animal-rights campaign

PETA states that it created Fish Amnesty Day in 1997 and marks it on the fourth Saturday in September.

Source-backedFixed Annual

HR Professionals Day

26 September · Workplace/professional recognition observance

Hofstra University and employer professional communications identify September 26 as HR/Human Resource Professional Day.

Source-backedRule Based Annual

International Rabbit Day

fourth Saturday of September; 26 September 2026 · International / rabbit welfare awareness

World Animal Protection describes International Rabbit Day as occurring on the fourth Saturday of September and gives 26 September for 2026.

Source-backedFixed Annual

Mesothelioma Awareness Day

26 September annually · United States-centered organizer campaign with state/local proclamations

The Mesothelioma Applied Research Foundation states that Mesothelioma Awareness Day takes place annually on September 26 and was established by its community in 2004.

Source-backedFixed Annual

National Dumpling Day

26 September · United States / TMI Food Group-founded food observance

National Day Calendar records September 26 as National Dumpling Day and says TMI Food Group submitted the observance in 2015.

Source-backedRule Based Annual

National Ghost Hunting Day

Last Saturday of September (26 September in 2026) · International / National Ghost Hunting Day paranormal-community event

The official National Ghost Hunting Day site states the event was established in 2016 and is held on the last Saturday of September.

Source-backedRule Based Annual

National Hunting and Fishing Day

Fourth Saturday in September · United States — conservation and outdoor heritage observance

U.S. Fish & Wildlife Service states Congress established the observance in 1972 and it is celebrated on the fourth Saturday in September

Source-backedFixed Annual

National Key Lime Pie Day

26 September · United States / informal culinary observance acknowledged by Publix

Publix corporate material explicitly identifies September 26 as National Key Lime Pie Day.

Source-backedFixed Annual

National Law Enforcement Suicide Awareness Day

26 September · United States / law-enforcement mental-health awareness

FBI outreach material identifies September 26 as National Law Enforcement Suicide Awareness Day; Blue H.E.L.P. states the day was created to remember officers lost to suicide and reduce sti…

Source-backedRule Based Annual

National Public Lands Day

Fourth Saturday of September; 26 September 2026 · United States — nationwide public-lands volunteer observance

National Park Service current 2026 observance page; led by NEEF in partnership with NPS and federal agencies

Source-backedEdition Specific

National Seat Check Saturday

26 September 2026 · United States / NHTSA child-passenger-safety campaign

NHTSA's Traffic Safety Marketing portal lists National Seat Check Saturday as September 26, 2026 and publishes different dates for 2027-2029, so target-year refresh is required.

Source-backedFixed Annual

National Situational Awareness Day

26 September · United States / Pretty Loaded-origin personal-safety awareness campaign

Pretty Loaded states it submitted the observance in 2015 and that National Situational Awareness Day is celebrated every year on September 26.

Source-backedRule Based Annual

Save Your Photos Day

Last Saturday in September (26 September in 2026) · Informal photo-preservation awareness observance

Institutional and calendar references place Save Your Photos Day on the last Saturday in September; the recurrence yields 26 September in 2026.

Source-backedEdition Specific

World’s Largest Pet Walk

26 September 2026 in the current Pet Partners edition · Pet Partners / annual fundraising and community-walk campaign

Pet Partners lists the 2026 World’s Largest Pet Walk for 26 September and describes it as its signature annual fundraising walk.

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.

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