Evergreen date guide

What is celebrated on April 16?

For 2026, these source-backed observances resolve to Thursday, April 16. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

13 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.

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 April 16

All topics →

Arts, Entertainment & Lifestyle 3 Health, Wellness & Awareness 3 Civic, Remembrance & History 2 Food, Drink & Hospitality 2 Community, Causes & Advocacy 1 Workplace, Professions & Appreciation 1 Animals, Nature & Environment 1

13 date-resolved records

All observances on this date

Source-backedEdition Specific

AILA National Day of Action

16 April 2026 · Washington, DC / American Immigration Lawyers Association 2026 event

AILA’s 2026 conference prospectus lists its National Day of Action for 16 April 2026 in Washington, DC, immediately before the 2026 Spring Conference.

Source-backedRule Based Annual

College Student Grief Awareness Day

Third Thursday in April; 16 April in 2026 · United States / college-student grief awareness associated with Actively Moving Forward

Multiple observance references place College Student Grief Awareness Day on the third Thursday in April and attribute it to Actively Moving Forward; HealGrief hosts the current AMF college-…

Source-backedFixed Annual

Foursquare Day (4SQDay)

16 April · Foursquare user/Superuser community / brand-community observance

Foursquare’s own material describes 4SQDay as an annual community holiday centered on April 16, with community events sometimes scheduled around that date.

Source-backedFixed Annual

International Documentary Day

16 April · International / filmmaker-led documentary appreciation observance launched in 2026

Organizer-side launch material describes April 16 as an annual documentary observance beginning in 2026, and current calendar coverage likewise specifies April 16 every year.

Source-backedRule Based Annual

International Pizza Cake Day

Third Thursday in April · International / informal food observance

National Today and Checkiday independently define International Pizza Cake Day as the third Thursday in April.

Source-backedFixed Annual

José de Diego Commemoration Day

16 April · Puerto Rico / statutory commemorative day honoring José de Diego; not a public holiday

Puerto Rico law preserves April 16 as a commemorative day for José de Diego while distinguishing it from the consolidated Próceres public holiday.

Source-backedFixed Annual

National Bean Counter Day

16 April · United States / informal accounting-profession observance

National Day Calendar places National Bean Counter Day on April 16 and credits Kevin Wenig, while National Today independently uses April 16.

Source-backedFixed Annual

National Healthcare Decisions Day

16 April · United States / advance-care-planning awareness initiative

The Conversation Project’s National Healthcare Decisions Day page identifies April 16 and frames the initiative around inspiring, educating and empowering the public and providers about adv…

Source-backedRule Based Annual

National High Five Day

Third Thursday in April · National High Five Day nonprofit project / United States-origin campaign

The official National High Five Day project describes the third-Thursday-in-April recurrence and its 2002 origin at the University of Virginia

Source-backedFixed Annual

National Librarian Day

16 April · United States / informal librarian-appreciation observance recognized by public institutions

U.S. Census Bureau educational outreach identifies April 16 as National Librarian Day, and Library of Virginia materials list April 16, 2027 as National Librarian Day, supporting recurring…

Source-backedEdition Specific

Save the Elephant Day

16 April 2026 in the cited World Animal Protection campaign · Animal-welfare / elephant-protection awareness campaign

World Animal Protection documents a Save the Elephant Day action held on April 16, 2026. The source verifies that edition/date but does not by itself establish a permanent organizer-owned a…

Source-backedFixed Annual

World Semicolon Day

16 April · mental-health awareness and resilience observance

Project Semicolon

Source-backedFixed Annual

World Voice Day

16 April · international voice awareness observance

World Voice Day Committee and international voice-health community

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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