National DEI Day
The National DEI Day organizer site states that the observance is held each year on September 17, deliberately coinciding with U.S. Constitution Day and Citizenship Day.
Date and recurrence
17 September
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 DEI Day organizer-led observance. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.
Also known as
National DEI Day
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.
Sources
- National DEI Day — Why September 17th?Organizer First Party
- National DEI Day — official siteOrganizer First Party
Frequently asked questions
When is National DEI Day?
17 September The stored recurrence guidance is: 17 September each year according to the National DEI Day organizer..
Does National DEI 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 DEI Day an official public holiday?
The authority record verifies it within this scope: United States / National DEI Day organizer-led observance. 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 DEI Day?
The stored designation basis is: The National DEI Day organizer site states that the observance is held each year on September 17, deliberately coinciding with U.S. Constitution Day and Citizenship Day.. Supporting provenance includes National DEI Day — Why September 17th?. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is National DEI Day international or country-specific?
This authority record is country-scoped to United States. Its fuller verified scope is: United States / National DEI Day organizer-led observance.
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 2026-09-10.
Other observances on September 17
These records also resolve to September 17, 2026 under the current authority data.
AKC Responsible Dog Ownership Day
The American Kennel Club designated September 17, the anniversary of the AKC’s founding, as AKC Responsible Dog Ownership Day and continues to publish the observance through its Responsible…
Australian Citizenship Day
Australian Department of Home Affairs
Constitution Day and Citizenship Day
The U.S. Courts’ official educational observance page identifies Constitution Day and Citizenship Day around 17 September, the anniversary of the Constitution’s signing.
International Country Music Day
Timeanddate identifies September 17 as International Country Music Day and treats it as an unofficial observance.
National Apple Dumpling Day
Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Apple Dumpling Day on 17 September.
National Pawpaw Day
Kentucky State University documents National Pawpaw Day as the third Thursday of each September, created to increase awareness of the native pawpaw fruit.