World Down Syndrome Day (WDSD) was
established by Down Syndrome International in 2006 and has been observed in
over 60 countries worldwide to date. It is held on 21 March (21/3) to signify
the uniqueness of the triplication (trisomy) of chromosome 21 which causes the
The aim of the day is
to raise awareness and understanding about Down syndrome, and to promote the
inherent rights of persons with Down syndrome to enjoy full and dignified lives
and be active and valuable participants in their communities and society.