Source-backedRule Based AnnualHeightened editorial care

Great Lakes Awareness Day

National Today uses the first Monday in May, while Checkiday’s target-year listing corroborates the equivalent first-full-week Monday recurrence.

Date / ruleFirst Monday in May
ScopeUnited States / informal Great Lakes environmental-awareness observance
VerificationMulti Source Rule Corroborated
PortabilityRule Based Annual
Evidence statusSource-backed
Last authority check2026-09-11
Target-year policyCalculate Rule
Next date this engine can safely resolveMonday, May 3, 2027See everything on May 3 →
Authority summary

What is Great Lakes Awareness Day?

National Today uses the first Monday in May, while Checkiday’s target-year listing corroborates the equivalent first-full-week Monday recurrence.

Date and recurrence

First Monday in May

This observance follows a reusable calendar rule rather than one fixed Gregorian date. The actual date can move from year to year. Rule: First Monday in May each year.

Scope and status

The verified scope stored for this record is United States / informal Great Lakes environmental-awareness observance. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.

Classification

Topic and context

Health, Wellness & Awareness →
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.
  • Health Information Not Medical Advice.
Provenance

Sources

Source policy →
  1. National Today — Great Lakes Awareness DayObservance Calendar
  2. Checkiday — May 3, 2027 observancesIndependent Rule Corroboration
Reader questions

Frequently asked questions

When is Great Lakes Awareness Day?

First Monday in May The stored recurrence guidance is: First Monday in May each year..

Does Great Lakes Awareness Day fall on the same date every year?

It follows a recurring calendar rule, so the Gregorian date can change from year to year.

Is Great Lakes Awareness Day an official public holiday?

The authority record verifies it within this scope: United States / informal Great Lakes environmental-awareness 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 Great Lakes Awareness Day?

The stored designation basis is: National Today uses the first Monday in May, while Checkiday’s target-year listing corroborates the equivalent first-full-week Monday recurrence.. Supporting provenance includes National Today — Great Lakes Awareness Day. The site does not infer a separate creator or founder unless reviewed evidence establishes one.

Is Great Lakes Awareness Day international or country-specific?

This authority record is country-scoped to United States. Its fuller verified scope is: United States / informal Great Lakes environmental-awareness 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 2026-09-11.

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