Mesothelioma Awareness Day2026 · Date · History · Messages
The Mesothelioma Applied Research Foundation states that Mesothelioma Awareness Day takes place annually on September 26 and was established by its community in 2004.
About Mesothelioma Awareness Day
Mesothelioma Awareness Day is observed on September 26 each year. The Mesothelioma Applied Research Foundation says the observance was established by its community in 2004 to raise awareness of mesothelioma.
Mesothelioma is a cancer that develops in the mesothelium, the tissue lining certain internal organs. This page provides general awareness information only and is not a diagnosis, treatment plan or prognosis.
Why Mesothelioma Awareness Day matters
The awareness day is intended to improve public understanding of mesothelioma and support attention to research, patients, families and prevention-related information.
Health information should remain source-bounded. A person’s symptoms, exposure history, screening questions or treatment choices require individualized guidance from qualified clinicians.
History of Mesothelioma Awareness Day
The Mesothelioma Applied Research Foundation states that its community established Mesothelioma Awareness Day in 2004.
The Foundation continues to identify September 26 as the annual awareness date and provides campaign resources for participation.
The reviewed evidence does not establish a formal government instrument creating the observance or a separate statutory public-holiday status.
How the observance developed
This timeline uses documented milestones from reviewed sources. Missing stages are left out rather than guessed.
Mesothelioma Applied Research Foundation community
The Foundation says Mesothelioma Awareness Day was established in 2004 by members of its community.
Mesothelioma Applied Research Foundation community
The organizer directly attributes establishment of the awareness day to its community.
First documented observance
The Foundation states that Mesothelioma Awareness Day was established in 2004; the reviewed source does not require a more precise first-edition date claim.
Mesothelioma Applied Research Foundation
The Foundation currently maintains Mesothelioma Awareness Day information and campaign resources.
What the evidence establishes
Confirmed institutional roles and milestones are shown first. Details that could not be established from the reviewed sources are listed separately below.
5 fields not established in reviewed sources
Also known as
National Mesothelioma Awareness Day
How to Observe Mesothelioma Awareness Day
Use established cancer organizations for general information about mesothelioma and asbestos-related risk.
Share awareness resources that avoid implying that a symptom or exposure history proves a diagnosis.
Support reputable research, patient-support or education organizations if you choose.
Respect the privacy of patients and families; do not share personal medical details without permission.
For personal symptoms, exposure concerns or treatment questions, seek individualized medical care rather than relying on an awareness-day guide.
Mesothelioma Awareness Day Facts
Mesothelioma Awareness Day is September 26.
The Mesothelioma Applied Research Foundation says its community established the observance in 2004.
Mesothelioma is a cancer affecting the mesothelium, tissue that lines certain internal organs.
Asbestos exposure is an important risk factor for mesothelioma, but an awareness page cannot determine an individual’s risk or diagnosis.
For Mesothelioma Awareness Day, the reviewed sources do not establish the observance as a statutory public holiday.
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.
Evidence & sources
Sources used across the guide are gathered here. Labels show how each source supports the page, and contextual references are kept separate from primary evidence.
National Cancer Institute — Mesothelioma overview (opens in a new tab)
Federal Health
Mesothelioma Applied Research Foundation — Awareness Day (opens in a new tab)
Major Health Nonprofit
Understand it, compare it, then explore further
Start with the most common factual questions, then compare closely related observances and explore useful connections.
Frequently asked questions
When is Mesothelioma Awareness Day?
26 September annually The documented recurrence rule is: 26 September.
Does Mesothelioma Awareness Day fall on the same date every year?
Yes. It uses a fixed annual date unless stronger evidence changes the pattern.
Is Mesothelioma Awareness Day an official public holiday?
The reviewed sources verify it within this scope: United States-centered organizer campaign with state/local proclamations. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when reliable evidence explicitly does so.
Who established or recognizes Mesothelioma Awareness Day?
The reviewed sources identify Mesothelioma Applied Research Foundation community as the proclaiming or establishing body. Current facilitation or coordination is recorded as Mesothelioma Applied Research Foundation.
Is Mesothelioma Awareness Day international or country-specific?
No single country is assigned to this observance. Its documented scope is: United States-centered organizer campaign with state/local proclamations. Use that scope rather than assuming worldwide or country-specific status.
How is this page verified?
The factual information is checked against reviewed sources, including the date pattern, scope and institutional history. This page was checked on 2026-10-02.
When is Mesothelioma Awareness Day?
It is observed annually on September 26.
When was it established?
The Mesothelioma Applied Research Foundation says its community established the awareness day in 2004.
What is mesothelioma?
It is a cancer of the mesothelium, the tissue lining certain internal organs.
Can this page assess symptoms or asbestos exposure?
No. It is general awareness information and cannot diagnose disease or provide individualized medical advice.
Other observances on September 26
These observances are also listed on September 26, 2027.
European Day of Languages
Council of Europe records establish the first 26 September 2001 edition and the Committee of Ministers decision of 6 December 2001 making the day annual.
Gold Star Mother's and Family's Day
The 2025 presidential proclamation uses Gold Star Mother's and Family's Day; 36 U.S.C. §111 separately designates the last Sunday in September as Gold Star Mother's Day.
HR Professionals Day
Hofstra University and employer professional communications identify September 26 as HR/Human Resource Professional Day.
International Day for the Total Elimination of Nuclear Weapons
A/RES/68/32
National Dumpling Day
National Day Calendar records September 26 as National Dumpling Day and says TMI Food Group submitted the observance in 2015.
National Law Enforcement Suicide Awareness Day
FBI outreach material identifies September 26 as National Law Enforcement Suicide Awareness Day; Blue H.E.L.P. states the day was created to remember officers lost to suicide and reduce sti…