Source-backedFixed Annual

National Hamburger Day

Wendy’s and BurgerFi first-party materials identify May 28 as National Hamburger Day in separate years.

Date / rule28 May
ScopeUnited States / informal food observance with repeated burger-brand usage
VerificationFirst Party Brand Cross Corroborated Date Verified
PortabilityFixed Annual
Evidence statusSource-backed
Last authority check2026-09-10
Target-year policyReuse Fixed
Next date this engine can safely resolveFriday, May 28, 2027See everything on May 28 →
Authority summary

What is National Hamburger Day?

Wendy’s and BurgerFi first-party materials identify May 28 as National Hamburger Day in separate years.

Date and recurrence

28 May

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 repeated burger-brand usage. 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 Hamburger Day

Classification

Topic and context

Food, Drink & Hospitality →
Accuracy controls

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.
Provenance

Sources

Source policy →
  1. Wendy’s — 2025 National Hamburger Day offerFirst Party Brand
  2. BurgerFi — National Hamburger DayFirst Party Brand
Reader questions

Frequently asked questions

When is National Hamburger Day?

28 May The stored recurrence guidance is: 28 May each year..

Does National Hamburger 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 Hamburger Day an official public holiday?

The authority record verifies it within this scope: United States / informal food observance with repeated burger-brand usage. 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 Hamburger Day?

The stored designation basis is: Wendy’s and BurgerFi first-party materials identify May 28 as National Hamburger Day in separate years.. Supporting provenance includes Wendy’s — 2025 National Hamburger Day offer. The site does not infer a separate creator or founder unless reviewed evidence establishes one.

Is National Hamburger 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 repeated burger-brand usage.

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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