National Park Service Founders Day
The National Park Service identifies 25 August 1916 as the date of the Organic Act creating the agency and recognizes 25 August as Founders Day.
Date and recurrence
25 August annually
This authority record treats the observance as a fixed annual date. The same month and day can be reused unless a stronger source changes the rule.
Scope and status
The verified scope stored for this record is United States / National Park Service anniversary. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.
Topic and context
What this page does not assume
- Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
- Do not treat the title alone as proof of government recognition or public-holiday status.
- Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
- Remembrance Civic Context Care.
Sources
- National Park Service — Founders DayOfficial Federal Agency
- National Park Service — Founders Day August 25Official Federal Agency
Frequently asked questions
When is National Park Service Founders Day?
25 August annually The stored recurrence guidance is: 25 August.
Does National Park Service Founders Day fall on the same date every year?
The authority record classifies it as fixed annual, so its month and day are reusable unless stronger evidence changes the rule.
Is National Park Service Founders Day an official public holiday?
The authority record verifies it within this scope: United States / National Park Service anniversary. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when the supporting authority record explicitly does so.
Who established or recognizes National Park Service Founders Day?
The stored designation basis is: The National Park Service identifies 25 August 1916 as the date of the Organic Act creating the agency and recognizes 25 August as Founders Day.. Supporting provenance includes National Park Service — Founders Day. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is National Park Service Founders Day international or country-specific?
This authority record is country-scoped to United States. Its fuller verified scope is: United States / National Park Service anniversary.
How is this page verified?
The factual layer is source-backed and keeps its date rule, scope, provenance and editorial guardrails attached to the authority record. This record was checked on 2026-09-08.
Other observances on August 25
These records also resolve to August 25, 2027 under the current authority data.
Independence Day
Australia’s Department of Foreign Affairs and Trade current National Days protocol register lists Uruguay — Independence Day on 25 August. The source verifies the diplomatic national-day id…
La Tomatina
Ajuntament de Buñol / municipal tourism authority
National Banana Split Day
National Day Calendar identifies August 25 as National Banana Split Day and explicitly leaves the observance founder unidentified.
Whiskey Sour Day
Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list Whiskey Sour Day on 25 August.