when is national down syndrome day

National / World Down Syndrome Day is observed every year on March 21.

Quick Scoop: When is National Down Syndrome Day?

• The day is marked annually on 21 March.

• Internationally it is known as World Down Syndrome Day , and many countries treat this as their main “national” awareness day too.

• The date 21/3 was chosen to reflect trisomy 21 (three copies of chromosome 21), which causes Down syndrome.

Why March 21 Matters

• The United Nations officially recognized World Down Syndrome Day on March 21 starting in 2012.

• Each year, there is a global theme (for example, recent themes have focused on support systems and loneliness) to highlight rights, inclusion, and real-life experiences of people with Down syndrome.

• Events, campaigns, and social media actions run worldwide on or around that date to raise awareness, challenge stereotypes, and promote equal opportunities.

Simple Answer Recap

• When is National / World Down Syndrome Day?
  • Every year on March 21.

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