World Day for Animals in Laboratories — Date, Facts & Verified Sources

Authority summary

What is World Day for Animals in Laboratories?

The campaign’s official history identifies 24 April and traces the observance to 1979; NAVS also marks the date in current advocacy material.

Date and recurrence

24 April annually

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 International / animal-research advocacy 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

Animals, Nature & Environment →

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 →

World Day for Laboratory Animals — AboutFirst Party Campaign
NAVS — World Day for Animals in LaboratoriesFirst Party Organization

Reader questions

Frequently asked questions

When is World Day for Animals in Laboratories?

24 April annually The stored recurrence guidance is: 24 April.

Does World Day for Animals in Laboratories 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 World Day for Animals in Laboratories an official public holiday?

The authority record verifies it within this scope: International / animal-research advocacy 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 World Day for Animals in Laboratories?

The stored designation basis is: The campaign’s official history identifies 24 April and traces the observance to 1979; NAVS also marks the date in current advocacy material.. Supporting provenance includes World Day for Laboratory Animals — About. The site does not infer a separate creator or founder unless reviewed evidence establishes one.

Is World Day for Animals in Laboratories international or country-specific?

The record has international or global institutional scope: International / animal-research advocacy observance. That does not mean every country treats the date as a public holiday or observes it in the same way.

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 2026-09-08.

Same date