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Down’s Syndrome Awareness Week

An awareness observance during the third week of March promoting equality and understanding of people with Down syndrome.

Monday

15–21

March 2027

Last updated February 26, 2026 · by the Holiday Calendar Team

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YEARLY DATEWeek containing March 21 (Monday-start)

OBSERVED INUnited Kingdom

CATEGORYAwareness

SUBCATEGORYDisability

ORIGIN

Institutional Initiative

FOUNDING ENTITY

Down Syndrome International

FIRST OBSERVED

Not documented

HOW THE HOLIDAY CAME TO BE

Down Syndrome International launched Down Syndrome Awareness Week to increase understanding and inclusion, with dates selected to reflect chromosome 21.

Institutional Recordvia nationaltoday.com

INTRO

Introduction

PHOTO

Get ready to spread awareness and celebrate the amazing individuals with Down Syndrome during Down's Syndrome Awareness Week, which occurs from March 21-27 every year. This week is all about promoting understanding, acceptance, and inclusion for those with Down Syndrome, who have unique talents and abilities that make them an integral part of our society. The first World Down Syndrome Day was observed in 2006 and since then, this week has been a time to celebrate diversity and advocate for equal rights for people with Down Syndrome. So let's join together in celebrating their achievements and recognizing the beauty of diversity!

TIMELINE

Down’s Syndrome Awareness Week Timeline

Down's Syndrome Identification

In 1866, British doctor John Langdon Down formally identified the characteristics of a person with Down’s syndrome for the first time.

Chromosome Discovery

French geneticist Jérôme Lejeune discovered that Down’s syndrome is caused by an extra copy of chromosome 21.

First Awareness Campaigns

Down’s Syndrome Association starts running awareness campaigns and early educational programs for people in the UK.

Down’s Syndrome Awareness Week

Down’s Syndrome Association establishes Down’s Syndrome Awareness Week in the United Kingdom, taking place annually in March.

Worldwide Recognition

The United Nations General Assembly formally recognizes March 21 as World Down Syndrome Day, taking awareness global.

Continued Advocacy

Down’s Syndrome Awareness Week continues to advocate for and raise awareness about the rights, inclusion, and wellbeing of people with Down’s syndrome.

GET INVOLVED

How to Celebrate Down’s Syndrome Awareness Week

Participate in a charity walk

Find a local charity walk or run that supports Down’s Syndrome awareness and participate with friends and family. This is a great way to not only raise awareness, but also show support for those with Down’s Syndrome.

HOST

Host a fundraiser event

Plan and host a fundraising event, such as a bake sale, car wash, or talent show, to raise money for Down’s Syndrome organizations. This is a fun and meaningful way to celebrate while also making a difference in the community.

Share stories and experiences

Gather with friends, family, or members of the Down’s Syndrome community to share stories and experiences related to Down’s Syndrome. This can help raise awareness and promote understanding and acceptance of individuals with Down’s Syndrome.

SPREAD

Spread positivity on social media

Use your social media platforms to share positive and uplifting messages about Down’s Syndrome and individuals with the condition. This can help combat negative stereotypes and promote inclusion and acceptance.

EDUCATE

Educate yourself and others

Take the time to educate yourself and others about Down’s Syndrome, its causes, and how it affects individuals. This can help break down misconceptions and promote understanding and support for those with the condition.

WHY THIS DAY MATTERS

Why Down’s Syndrome Awareness Week is Important

It raises awareness for important issues facing the Down’s Syndrome community

During this week, organizations and individuals can raise awareness for various issues such as health care access, education, employment opportunities, and social integration for people with Down's Syndrome. This awareness can lead to positive change and better support for those affected by the condition.

It promotes understanding and acceptance

Down’s Syndrome Awareness Week is an important opportunity to educate people about Down's Syndrome, break down stereotypes, and promote inclusivity and acceptance of individuals with this condition. It helps to create a more understanding and compassionate society.

It celebrates the achievements of those with Down’s Syndrome

This week also gives us the chance to recognize and celebrate the accomplishments and talents of individuals with Down's Syndrome. It acknowledges that they are valuable members of our community who have much to contribute.

Related holidays

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Mar 2026

Awareness

World Down Syndrome Day

An awareness observance on March 21 raising global awareness of Down syndrome, promoting inclusion, human rights, and full participation of people with Down syndrome in society.

Down Syndrome Awareness Month

October is Down Syndrome Awareness Month - join us in spreading love, acceptance, and understanding for individuals with Down syndrome!

Trisomy Awareness Month

An awareness observance in March raising awareness of trisomy conditions, educating the public on health impacts, and promoting support for affected individuals and families.

National Developmental Disabilities Awareness Month

An awareness observance in March highlighting the needs and strengths of people with developmental disabilities to support independence and community inclusion.

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