World Breast Cancer Research Day
The World Breast Cancer Research Day campaign identifies 18 August as World Breast Cancer Research Day; New York State’s Department of Health also describes it as observed every August 18.
Date and recurrence
18 August 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 breast-cancer research awareness campaign. The site preserves that boundary and does not infer broader government, global or public-holiday status from the observance name alone.
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.
- Health Information Not Medical Advice.
Sources
- World Breast Cancer Research Day — official campaignFirst Party Campaign
- New York State Department of Health — World Breast Cancer Research DayState Health Authority
Frequently asked questions
When is World Breast Cancer Research Day?
18 August annually The stored recurrence guidance is: 18 August.
Does World Breast Cancer Research 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 World Breast Cancer Research Day an official public holiday?
The authority record verifies it within this scope: International breast-cancer research awareness campaign. 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 Breast Cancer Research Day?
The stored designation basis is: The World Breast Cancer Research Day campaign identifies 18 August as World Breast Cancer Research Day; New York State’s Department of Health also describes it as observed every August 18.. Supporting provenance includes World Breast Cancer Research Day — official campaign. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is World Breast Cancer Research Day international or country-specific?
The record has international or global institutional scope: International breast-cancer research awareness campaign. 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 2026-09-09.
Other observances on August 18
These records also resolve to August 18, 2027 under the current authority data.
Bad Poetry Day
The first-party Wellcat Holidays calendar lists Bad Poetry Day on August 18 and identifies the collection as created by Thomas and Ruth Roy.
Constitution Day of the Republic of Indonesia
Indonesian government statistical-agency pages identify 18 August as Constitution Day of the Republic of Indonesia and describe it as an annual commemoration.
Long Tan Day (historical name; now Vietnam Veterans’ Day)
Australian Government Department of Veterans’ Affairs
National Couples Day
National Today and Days Of The Year independently place National Couples Day / National Couple’s Day on August 18 each year.
National Ice Cream Pie Day
National Day Calendar and National Today independently place National Ice Cream Pie Day on August 18 each year.
National Soft Serve Ice Cream Day
Two Association of Nutrition & Foodservice Professionals chapter calendars from different publication years list National Soft Serve Ice Cream Day on 18 August.