International: World Down Syndrome Day
Sun Mar 21, 2027
See future dates Tue Mar 21, 2028
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World Down Syndrome Day

World Down Syndrome Day aims to raise awareness and celebrate the lives and accomplishments of individuals with Down Syndrome. The date, 3/21, symbolizes the triplication of the 21st chromosome, which leads to Down Syndrome. Various activities, events, and campaigns are organized to promote understanding, inclusion, and advocacy for people with Down Syndrome, as well as to highlight their abilities and contributions to society.