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Evergreen date guide

What is celebrated on April 21?

For 2026, these source-backed observances resolve to Tuesday, April 21. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

12 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.

8 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 April 21

See the collection →

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 April 21

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

All observances on this date

Source-backedFixed Annual

National Bulldogs Are Beautiful Day

21 April · United States / informal bulldog-appreciation observance

Truman State University repeatedly identifies April 21 as National Bulldogs Are Beautiful Day, and major pet-industry calendars also place Bulldogs Are Beautiful Day on April 21.

Source-backedRule Based Annual

National Bunion Day

Third Tuesday of April (21 April in 2026) · United States / Treace Medical Concepts bunion-awareness campaign

Treace announced the first annual National Bunion Day and states that it is held each year on the third Tuesday of April.

Source-backedFixed Annual

National Chocolate-Covered Cashews Day

21 April · United States / informal food observance

National Day Calendar and National Today independently place the chocolate-covered-cashews observance on April 21 each year; punctuation varies slightly between sources.

Source-backedFixed Annual

National Kindergarten Day

21 April · United States / education observance

The U.S. Census Bureau has published National Kindergarten Day material for 21 April, providing federal-agency confirmation of the observance date.

Source-backedEdition Specific

National Library Workers Day

21 April 2026; Tuesday of National Library Week · United States / ALA-APA professional recognition observance

ALA-APA lists National Library Workers Day on Tuesday, April 21, 2026 and explains that it recognizes the valuable contributions of all library workers.

Source-backedFixed Annual

National Pet CBD Day

21 April · United States / Innovet-created informal pet-CBD awareness and promotional observance

Innovet announced National Pet CBD Day for April 21 in 2019; archival observance material continues to identify April 21 and Innovet as the creator.

Source-backedFixed Annual

National Tea Day

21 April · United Kingdom / Tea Group organizer-led observance

The National Tea Day organizer site publishes the observance on 21 April and lists the 2026 National Tea Day edition for 21 April 2026.

Source-backedFixed Annual

San Jacinto Day

21 April · Texas state holiday / recognition day

Texas Government Code §662.003(b), catalogued by the Texas Legislative Reference Library

Source-backedFixed Annual

Tiradentes Day

21 April · Brazil national holiday

Brazilian federal government holiday calendar

Source-backedFixed Annual

World Curlew Day

21 April · international curlew conservation awareness observance

Curlew Action

Source-backedEdition Specific

Yom HaZikaron (Memorial Day for Fallen Soldiers and Victims of Terrorism)

21 April 2026 in the current Israeli diplomatic calendar · Israel / national remembrance observance

Israeli diplomatic calendars place Yom HaZikaron on 21 April 2026; current presidential material also marks Israel’s Memorial Day in the same national-day sequence.

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.

Read the methodology →