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Evergreen date guide

What is celebrated on September 10?

For 2026, these source-backed observances resolve to Thursday, September 10. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

6 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.

3 explicit country-scope records

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

0 reviewed in-depth guides

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

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Topics represented on September 10

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Workplace, Professions & Appreciation 1Arts, Entertainment & Lifestyle 1Community, Causes & Advocacy 1Civic, Remembrance & History 1Food, Drink & Hospitality 1Health, Wellness & Awareness 1
6 date-resolved records

All observances on this date

Source-backedEdition Specific

National 401(k) Day™

Traditionally the Friday after Labor Day week; PSCA recognizes 10 September in 2026 · United States / retirement-plan education

The Plan Sponsor Council of America maintains National 401(k) Day™ and explains its traditional timing after Labor Day

Source-backedRule Based Annual

National School Picture Day

Second Thursday of September (10 September in 2026) · United States / Lifetouch-created school-photography observance

Lifetouch states that it declared National School Picture Day in 2019 and set it for the second Thursday in September each year.

Source-backedEdition Specific

R U OK?Day

10 September in the 2026 edition · Australia suicide-prevention conversation and connection campaign

A current NSW Government event page identifies R U OK?Day on 10 September 2026 and describes the campaign as encouraging meaningful conversations and connection.

Source-backedEdition Specific

St. George’s Caye Day

10 September 2026 · Belize / public and bank holiday

Belize’s Government Press Office 2026 holiday notice lists Thursday, 10 September 2026 as St. George’s Caye Day under the Holidays Act.

Source-backedFixed Annual

TV Dinner Day

10 September · Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list TV Dinner Day on 10 September.

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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