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World Breast Cancer Research Day

Help us spread awareness for World Breast Cancer Research Day - donate, volunteer and show your support for those affected by this disease.

Tuesday

August 2026

Last updated February 7, 2026 · by the Holiday Calendar Team

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YEARLY DATEAugust 18

OBSERVED INInternationally

CATEGORYAwareness

SUBCATEGORYCancer

INTRO

Introduction

PHOTO

Mark your calendars for August 18 and join us in recognizing World Breast Cancer Research Day! This day was established to raise awareness about breast cancer research and the importance of early detection. Breast cancer is the second most common form of cancer in women worldwide, with over 2 million cases diagnosed each year. While progress has been made in treatments, there is still much work to be done to improve the outcomes for those living with this disease. Let's come together on August 18th to support and honor those affected by breast cancer and celebrate the strides that have been made in research.

TIMELINE

World Breast Cancer Research Day Timeline

First Mastectomy Surgery

Dr. William Halsted performed the first radical mastectomy, a major breakthrough in breast cancer treatment during the time.

Beginning of Chemotherapy

The use of chemotherapy to treat cancer patients began, providing a new method to combat breast cancer.

National Cancer Act

The National Cancer Act was signed in the United States, significantly increasing funding for cancer research including breast cancer.

Introduction of the Pink Ribbon

The pink ribbon was introduced as the international symbol for breast cancer awareness, furthering recognition of the disease.

BRCA1 and BRCA2 Discovery

The discovery of BRCA1 and BRCA2 genes revolutionized our understanding of genetic risk factors for breast cancer.

Personalized Medicine Advance

Advances in personalized medicine led to targeted therapies for specific types of breast cancer, innovating treatment options.

GET INVOLVED

How to Celebrate World Breast Cancer Research Day

Shop for a Cause

Shop online or in store at participating retailers who are donating a portion of their proceeds to breast cancer research.

ATTEND

Attend a Fundraiser

Check your local events calendar for any fundraisers, such as races and walks, that are raising money for breast cancer research.

ORGANIZE

Organize a Fundraiser

Gather your friends and family to host an event or fundraiser of your own. Have a bake sale, host a car wash, or create a trivia night.

DONATE

Donate to Organizations

Research local organizations that are dedicated to raising awareness and funding for breast cancer research, then make a donation.

SPREAD

Spread the Word

Share breast cancer facts and stories through your social media channels to raise awareness about the cause.

WHY THIS DAY MATTERS

Why World Breast Cancer Research Day is Important

Supports research

World Breast Cancer Research Day also helps to support and fund scientific research into this devastating disease. By investing in research, we can develop better treatments and perhaps one day find a cure.

Raises awareness

World Breast Cancer Research Day raises awareness about the importance of research into this disease. The more people are aware of the issue, the more likely it is that those affected by breast cancer will receive the financial and emotional support they need.

Promotes early detection & treatment

By raising awareness about breast cancer on World Breast Cancer Research Day, we can help promote early detection and diagnosis. This in turn increases the chance of successful treatment for those affected.