World Autism Awareness Day – April 2, 2019

Tue Apr 2

We celebrate World Autism Awareness Day each year on April 2. This internationally recognized day was designated by the United Nations. The purpose of the day is to raise awareness about those diagnosed with autism around the globe. Also called “Light It Up Blue,” we wear blue to celebrate the day.

World Autism Awareness Day - History


The first march

The first Power of One march was held in 2016.



In 2014, World Autism Awareness Day and Onesie Wednesday fell on the same day. Onesie Wednesday is celebrated in England; people wear onesies to show that it’s alright to be different.


First observed

On April 2, 2008, the first World Autism Awareness Day was observed.


Resolution passed

Resolution passed World Autism Awareness Day was designated by the United Nations General Assembly.


The Autism Society is founded

The Autism Society was created by Dr. Bernard Rimland, Dr. Ruth Sullivan and other parents of children with autism.

How to Observe World Autism Awareness Day

  1. Get involved

    If you are part of an organization, you can plan and execute a fundraiser for Light It Up Blue and mail your donations to Autism Speaks.

  2. March

    Live in the D.C. area? Join The Power of One march. It takes place on the evening of April 2; but if you don’t live in the area, you may find a similar march in your town.

  3. Educate yourself

    There are a number of online talks and seminars which educate us about living with autism.

Why World Autism Awareness Day is Important

  1. It promotes inclusion

    On this day, the Autism Society reminds us of their nationwide effort to promote autism awareness, inclusion and self-determination for all. They strive to make sure everyone autism is given the opportunity to achieve the best quality of life possible.

  2. We love blue

    On April 2, everyone is encouraged to wear blue to “Light It Up Blue” and show their support for those with autism. Thousands of homes buildings around the world turn their lights blue on this day.

  3. We know The Power of One

    Each year The Power of One march takes place in Washington, D.C. on this day. It unites the autism community as one, showing support and love for those with autism.

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