International Angelman Day

February 15, 2026

Since 2013, International Angelman Day has been the driving force in uniting AS families and patient organizations around the world for a common purpose – raising awareness of Angelman syndrome. The day is observed by over 50 charitable/support organizations based in over 40 countries around the world.

On February 15, join the global Angelman community in celebrating our loved ones with Angelman syndrome and raising awareness of the joy and strength they bring to our lives.

Tools for Raising Awareness

Customize these templates and graphics to share your support for Angelman syndrome.

Shareable Videos

Activities for Classrooms

International Angelman Day Merch

Items available in English, Portuguese, and French

Monuments Lighting Blue on February 15th

If you know of a building or monument that will be lit blue for International Angelman Day, email webmaster@angelman.org with the name and location.