World Alzheimer’s Day

United States, Canada, United Kingdom, Ireland, Australia, New Zealand, France, Germany, Italy, Spain, Portugal, Netherlands, Belgium, Switzerland, Austria, Sweden, Norway, Denmark, Finland, Iceland, Poland, Czech Republic, Hungary, Greece, Turkey, India, China, Japan, South Korea, Singapore, Malaysia, Thailand, Philippines, Indonesia, South Africa, Nigeria, Kenya, Egypt, Brazil, Mexico, Argentina, Chile, Colombia, Peru

About

World Alzheimer’s Day, observed on September 21, brings people together to raise awareness about Alzheimer’s disease and other forms of dementia. It is an opportunity to learn more about the condition, recognize the challenges faced by individuals and families, and encourage greater understanding and compassion.

The observance also highlights the importance of support, early conversations, research, and community care. By sharing information and listening to the experiences of those affected, people can help reduce stigma and build a more informed, caring world for everyone living with Alzheimer’s.

History

World Alzheimer’s Day is observed annually on **September 21** to raise awareness of Alzheimer’s disease and other forms of dementia. Its origins are associated with Alzheimer’s Disease International (ADI), a federation established in 1984 to connect Alzheimer’s associations around the world. The observance was formally introduced on September 21, 1994, during an ADI conference in Edinburgh, Scotland, held to mark the organization’s tenth anniversary. The date also helped create a shared international focus on a condition that was often poorly understood and discussed mainly in medical settings.

The observance is rooted in the history of Alzheimer’s disease itself. German psychiatrist and neuropathologist Alois Alzheimer first described the distinctive symptoms and brain changes of the disease in the early twentieth century, after studying a patient known as Auguste Deter. For many years, Alzheimer’s was treated as a relatively narrow medical diagnosis associated primarily with older age. As research expanded, however, it became recognized as a major public-health and social-care issue affecting individuals, families, professional caregivers, and communities worldwide.

Over time, World Alzheimer’s Day evolved from a primarily awareness-focused event into an occasion for public education, advocacy, fundraising, and policy discussion. Alzheimer’s organizations use **September 21** to distribute information about warning signs, diagnosis, treatment, risk reduction, and available support. The day also provides an opportunity to challenge stigma and to emphasize that people living with dementia retain dignity, identities, relationships, and the right to participate in community life. Campaigns commonly highlight the experiences of caregivers, whose emotional, physical, and financial responsibilities are an essential part of the wider conversation.

Culturally, World Alzheimer’s Day has helped bring dementia into public dialogue across national and linguistic boundaries. Its international character reflects the fact that Alzheimer’s disease affects people in every region, while access to diagnosis, care, and support varies considerably. By encouraging open discussion on **September 21**, the observance seeks both to honor those living with Alzheimer’s and to promote greater compassion, research investment, and coordinated action.
Source: [National Today — World Alzheimer’s Day](https://nationaltoday.com/world-alzheimers-day/)

Timeline

1906
German psychiatrist Alois Alzheimer presented the case of Auguste Deter, including her memory loss and distinctive brain changes, at a psychiatric meeting in Tübingen; the case became central to the later description of Alzheimer’s disease.
1910
Emil Kraepelin used the term “Alzheimer’s disease” in the eighth edition of his psychiatry textbook, naming the disorder after Alois Alzheimer.
1984
George Glenner and Caine Wong reported the isolation and characterization of beta-amyloid from cerebral blood vessels in people with Alzheimer’s disease, a major finding in research on amyloid pathology.
1993
Researchers reported that the APOE ε4 allele increased the risk of late-onset Alzheimer’s disease, establishing APOE as a major genetic risk factor.

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