Evergreen date guide

What is celebrated on September 19?

For 2026, these source-backed observances resolve to Saturday, September 19. Recurring rules can move in another year, so each record keeps its own date logic.

Date authority profile

What this date contains

17 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.

7 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.

Explore the mix

Topics represented on September 19

All topics →

Health, Wellness & Awareness 4 Arts, Entertainment & Lifestyle 4 Celebrations & Social 3 Food, Drink & Hospitality 2 Animals, Nature & Environment 2 Community, Causes & Advocacy 1 Workplace, Professions & Appreciation 1

17 date-resolved records

All observances on this date

Source-backedFixed Annual

Aortic Dissection Awareness Day

19 September annually; 19 September 2026 global event verified · Global / aortic-disease awareness campaign

The Aortic Dissection Charitable Trust states that September 19 marks Aortic Dissection Awareness Day every year and lists a global September 19, 2026 event.

Source-backedEdition Specific

Batman Day

19 September in 2026 · DC / global Batman fan event

DC’s official Batman Day announcement identifies the 2026 event date and fan celebration

Source-backedRule Based Annual

Boys’ and Girls’ Club Day for Kids

Third Saturday of September (19 September in 2026) · United States / youth-community observance associated with Boys & Girls Clubs

Current observance calendars consistently place Boys’ and Girls’ Club Day for Kids on the third Saturday of September.

Source-backedFixed Annual

Día de las Glorias del Ejército

19 September · Chile Army civic-military commemoration and legal holiday

Chilean Army; legal-holiday tradition traced to a 1915 decree

Source-backedRule Based Annual

International Coastal Cleanup®

Third Saturday of September annually; 19 September in 2026 · Ocean Conservancy / global cleanup campaign

Ocean Conservancy states that the International Coastal Cleanup is held annually on the third Saturday of September, with many cleanups also occurring throughout the month.

Source-backedRule Based Annual

International Eat An Apple Day

Third Saturday in September · International / informal food observance

National Day Calendar and National Today independently define International Eat an Apple Day as the third Saturday in September each year.

Source-backedRule Based Annual

International Red Panda Day

Third Saturday of September · international red-panda conservation awareness observance

Red Panda Network

Source-backedFixed Annual

International Talk Like a Pirate Day

19 September · Founder-created international novelty observance

TIME documents International Talk Like a Pirate Day as an annual 19 September observance created by John Baur and Mark Summers in 1995.

Source-backedFixed Annual

National Butterscotch Pudding Day

19 September · 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 Butterscotch Pudding Day on 19 September.

Source-backedRule Based Annual

National Cartonnage Day

Third Saturday in September · United States / cartonnage craft community

National Day Archives records Colorway Arts as the creator and states the observance occurs on the third Saturday of September; Colorway Arts documents the original September 18, 2021 event.

Source-backedFixed Annual

National Cat DNA Day

19 September · United States / Basepaws-origin feline-genetics awareness day

National Day Archives records September 19 and identifies Basepaws as the 2020 founder; Basepaws continues to reference National Cat DNA Day in its own materials.

Source-backedRule Based Annual

National CleanUp Day

Third Saturday in September · United States / organizer-led volunteer cleanup campaign

The official National CleanUp Day organization states that the observance takes place every year on the third Saturday in September.

Source-backedRule Based Annual

National Dance Day

Third Saturday in September (19 September in 2026) · United States / American Dance Movement annual dance-participation observance

American Dance Movement states that National Dance Day was established in 2010 and, since 2019, takes place annually on the third Saturday in September.

Source-backedEdition Specific

National Gymnastics Day

19 September 2026; edition date is maintained by USA Gymnastics · USA Gymnastics participation and sport-promotion observance

USA Gymnastics’ National Gymnastics Day page identifies the current 2026 celebration and associated #NGD2026 participation.

Source-backedRule Based Annual

National Multivitamin Day

Third Saturday in September · United States / GNC-created consumer awareness observance

GNC launched the first National Multivitamin Day in 2024 and states that the observance is held on the third Saturday of September; current 2026 calendar treatment resolves that rule to Sep…

Source-backedRule Based Annual

Puppy Mill Awareness Day

Third Saturday of September (19 September in 2026) · United States-origin / animal-welfare awareness campaign

Last Chance for Animals states that Puppy Mill Awareness Day began in 2004 and is held annually on the third Saturday of September.

Source-backedRule Based Annual

Usher Syndrome Awareness Day

Third Saturday in September; 19 September 2026 · Usher Syndrome Coalition / global awareness campaign

The Usher Syndrome Coalition states that Global Usher Syndrome Awareness Day is observed on the third Saturday in September and lists 19 September for 2026.

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 →