Evergreen date guide

What is celebrated on April 19?

For 2026, these source-backed observances resolve to Sunday, April 19. 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.

4 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 19

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9 date-resolved records

All observances on this date

Source-backedEdition Specific

ABP Newport Marathon Festival

19 April in 2026 · Newport, Wales / Run 4 Wales road-running event

Run 4 Wales set the 2026 ABP Newport Marathon Festival for Sunday 19 April 2026 and later reported that the event took place on that date.

Source-backedFixed Annual

Congenital Diaphragmatic Hernia Awareness Day

19 April · Health-awareness observance organized and promoted by the CDH community

CDH International identifies 19 April as Congenital Diaphragmatic Hernia Awareness Day; historic proclamations also document the observance.

Source-backedEdition Specific

Desembarco de los Treinta y Tres Orientales

19 April; 19 April 2026 current commemoration · Uruguay / national historical commemoration

Uruguay’s government sources identify the Desembarco de los Treinta y Tres Orientales with 19 April 1825 and document the 19 April 2026 official commemoration.

Source-backedFixed Annual

National Amaretto Day

19 April · Informal food-calendar usage documented by Association of Nutrition & Foodservice Professionals chapter material

Two Association of Nutrition & Foodservice Professionals chapter calendars list National Amaretto Day on 19 April.

Source-backedFixed Annual

National Cat Lady Day

19 April · International / CatCon-created cat-lover celebration

CatCon states that founder Susan Michals created National Cat Lady Day in 2017 and that it takes place each year on April 19.

Source-backedFixed Annual

National Dog Parent Appreciation Day

19 April · United States / Dr. Marty Pets-created dog-parent appreciation day

National Day Archives records April 19 as the annual date and identifies Dr. Marty Pets as the creator in March 2021; contemporary launch coverage confirms the inaugural 2021 observance.

Source-backedFixed Annual

National Hanging Out Day

19 April · United States / Project Laundry List air-drying awareness campaign

National Day Calendar documents April 19 and says Project Laundry List and partner organizations have sponsored National Hanging Out Day since 1995.

Source-backedFixed Annual

National North Dakota Day

19 April · United States / National Day Calendar National State Days series — North Dakota

National Day Calendar lists National North Dakota Day on 19 April. The U.S. Senate records North Dakota’s admission/statehood date as 2 November 1889. The two dates are deliberately kept se…

Source-backedFixed Annual

Oklahoma City Bombing Anniversary / Annual Remembrance Ceremony

19 April annually; the 31st anniversary was 19 April 2026 · Oklahoma City bombing remembrance; the canonical “National ... Commemoration Day” title is not treated as a federal holiday designation

The National Park Service identifies the Oklahoma City National Memorial as honoring those changed forever by the 19 April 1995 bombing; Oklahoma public records and the annual Memorial cere…

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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