National Cheeseburger Day
Wendy’s first-party material identifies September 18 as National Cheeseburger Day.
Date and recurrence
18 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 / informal food observance with first-party burger-brand corroboration. 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 Cheeseburger 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
- Wendy’s — National Cheeseburger DayFirst Party Brand
Frequently asked questions
When is National Cheeseburger Day?
18 September The stored recurrence guidance is: 18 September each year..
Does National Cheeseburger 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 Cheeseburger Day an official public holiday?
The authority record verifies it within this scope: United States / informal food observance with first-party burger-brand corroboration. 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 Cheeseburger Day?
The stored designation basis is: Wendy’s first-party material identifies September 18 as National Cheeseburger Day.. Supporting provenance includes Wendy’s — National Cheeseburger Day. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is National Cheeseburger Day international or country-specific?
This authority record is country-scoped to United States. Its fuller verified scope is: United States / informal food observance with first-party burger-brand corroboration.
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.
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These records also resolve to September 18, 2026 under the current authority data.
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