National Diatomaceous Earth Day
EP Minerals states that it founded National Diatomaceous Earth Day, that National Day Calendar approved the day in 2016, and that the observance is on August 31.
Date and recurrence
31 August
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 / EP Minerals-created diatomaceous-earth 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 Diatomaceous Earth Day, National Diatomaceous (DE) 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
- EP Minerals — National Diatomaceous Earth DayCreator First Party
- EP Minerals Blog — August 31 observanceCreator First Party
Frequently asked questions
When is National Diatomaceous Earth Day?
31 August The stored recurrence guidance is: 31 August each year under the EP Minerals-created observance..
Does National Diatomaceous Earth 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 Diatomaceous Earth Day an official public holiday?
The authority record verifies it within this scope: United States / EP Minerals-created diatomaceous-earth 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 Diatomaceous Earth Day?
The stored designation basis is: EP Minerals states that it founded National Diatomaceous Earth Day, that National Day Calendar approved the day in 2016, and that the observance is on August 31.. Supporting provenance includes EP Minerals — National Diatomaceous Earth Day. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is National Diatomaceous Earth Day international or country-specific?
This authority record is country-scoped to United States. Its fuller verified scope is: United States / EP Minerals-created diatomaceous-earth 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.
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These records also resolve to August 31, 2027 under the current authority data.
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