World Downs Syndrome Day 2024. The 21st day of march (the 3rd month of the year) was selected to signify the uniqueness of the triplication (trisomy) of the 21st chromosome which causes down syndrome. World down syndrome day 2024.
These resources include an explanation of the theme (available in english and spanish), and guides to help you talk about this in your world. Every year, world down syndrome day is observed on march 21.