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Evergreen date guide

What is celebrated on August 30?

For 2026, these source-backed observances resolve to Sunday, August 30. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

9 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 August 30

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Topics represented on August 30

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Civic, Remembrance & History 4Animals, Nature & Environment 2Celebrations & Social 1Arts, Entertainment & Lifestyle 1Community, Causes & Advocacy 1
9 date-resolved records

All observances on this date

Source-backedFixed Annual

August 30 Victory Day

30 August · Türkiye / national commemoration

The Republic of Türkiye Ministry of Foreign Affairs publishes presidential messages for August 30 Victory Day and identifies August 30 with the decisive 1922 victory in the War of Independe…

Source-backedFixed Annual

International Whale Shark Day

30 August annually in current conservation usage · International / whale-shark conservation awareness

Wildlife Trust of India’s 2026 observance page states that International Whale Shark Day is marked every year on 30 August and documents its own continuing participation.

Source-backedFixed Annual

National Grief Awareness Day

30 August · United States / grief-awareness observance founded by Angie Cartwright in 2014

Multiple local-government records recognize August 30 as National Grief Awareness Day and identify Angie Cartwright as its 2014 founder.

Source-backedFixed Annual

National Holistic Pet Day

30 August · United States / holistic pet-care awareness observance attributed to Colleen Paige

Holistic Select recognizes National Holistic Pet Day and attributes its origin to animal advocate Colleen Paige; current observance references use August 30.

Source-backedFixed Annual

Popular Consultation Day

30 August · Timor-Leste national public holiday and commemorative day

Government of Timor-Leste

Source-backedEdition Specific

Santa Rosa de Lima

30 August 2026 in Peru’s official holiday calendar · Peruvian public holiday and Catholic feast context

The Government of Peru lists Santa Rosa de Lima on 30 August in its official public-holiday information.

Source-backedFixed Annual

Slinky Day

30 August · United States / toy-brand and pop-culture observance

Just Play launched a National Slinky Day brand campaign on August 30, 2021, and Checkiday independently lists Slinky Day annually on August 30.

Source-backedRule Based Annual

Social Justice Sunday

Last Sunday in August (30 August in 2026) · Australia / Catholic social-justice observance

The Australian Catholic social-justice office states that since 2020 Social Justice Sunday is celebrated on the last Sunday in August; earlier editions used the last Sunday in 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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