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Evergreen date guide

What is celebrated on August 23?

For 2026, these source-backed observances resolve to Sunday, August 23. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

7 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.

1 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 August 23

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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.

Explore the mix

Topics represented on August 23

All topics →
Civic, Remembrance & History 3Food, Drink & Hospitality 2Workplace, Professions & Appreciation 1Celebrations & Social 1
7 date-resolved records

All observances on this date

Source-backedFixed Annual

European Day of Remembrance for Victims of Stalinism and Nazism

23 August · European Union / European remembrance observance

The European Parliament’s 2008 declaration called for 23 August to be proclaimed the European Day of Remembrance for Victims of Stalinism and Nazism, and later Parliament material continues…

Source-backedFixed Annual

Health Unit Coordinator Day / Health Unit Coordinator Recognition Week

23 August; Recognition Week 23–29 August · National Association of Health Unit Coordinators / professional recognition

NAHUC states that 23 August has been recognized as Health Unit Coordinator Day and that beginning in 2017 the association expanded recognition to the full week of 23–29 August.

Source-backedFixed Annual

National Cuban Sandwich Day

23 August · United States / informal food observance associated with a Tampa journalism experiment

Current calendar evidence consistently uses August 23; National Day Calendar documents the modern observance as an intentionally created informal food day rather than an official Cuban or g…

Source-backedFixed Annual

National Ride The Wind Day

23 August · United States / informal aviation-history and recreation observance

National Day Calendar and National Today independently place National Ride The Wind Day on August 23 each year.

Source-backedFixed Annual

National Space Day

23 August each year · India

ISRO states that 23 August was declared National Space Day to commemorate Chandrayaan-3’s successful lunar landing and marked the third National Space Day in 2026

Source-backedFixed Annual

National Sponge Cake Day

23 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 National Sponge Cake Day on 23 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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