World Down Syndrome day unofficially began in 2005 but was then recognized by the WHO in 2007, the United Nations in 2011 and eventually became a worldwide day of awareness. Being held on March 21st of every year, it signifies the 3 copies of the 21st chromosome.

Advocacy and AwarenessLindsay RobertsonMarch 21, 2019down syndrome, World Down Syndrome Day, WDSD19, WDSDComment