Evergreen date guide

What is celebrated on August 25?

For 2026, these source-backed observances resolve to Tuesday, August 25. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

4 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 August 25

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Civic, Remembrance & History 2 Food, Drink & Hospitality 2

4 date-resolved records

All observances on this date

Source-backedFixed Annual

Independence Day

25 August · Uruguay

Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Uruguay — Independence Day on 25 August. The source verifies the diplomatic national-day id…

Source-backedFixed Annual

National Banana Split Day

25 August · United States / informal food observance

National Day Calendar identifies August 25 as National Banana Split Day and explicitly leaves the observance founder unidentified.

Source-backedFixed Annual

National Park Service Founders Day

25 August annually · United States / National Park Service anniversary

The National Park Service identifies 25 August 1916 as the date of the Organic Act creating the agency and recognizes 25 August as Founders Day.

Source-backedFixed Annual

Whiskey Sour Day

25 August · 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 Whiskey Sour Day on 25 August.

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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